Psalm 21:2 declares that God granted the king's heart's desire, directly answering the prayer of Psalm 20:4.

Psalm 37:4 promises that delighting in the Lord leads to receiving heart's desires, reinforcing the same principle.

Psalm 145:19 states God fulfills the desire of those who fear Him, a parallel promise to the prayer.

Matthew 21:22 promises that believing prayer receives all things, echoing the request for God to grant heart's desire.

John 16:23 promises that asking the Father in Jesus' name brings answers, similar to the prayer for God to fulfill counsel.

1 John 5:14 adds the condition that requests must align with God's will, clarifying the scope of 'desire of your heart'.

Romans 8:27 reveals the Spirit intercedes according to God's will, aligning with the prayer that God grants heart's desires.

1 John 5:15 assures that when we pray according to God's will, we have the requests, reinforcing the psalm's confidence in God granting desires.

2 Samuel 7:3 shows Nathan affirming David's plan, echoing the psalm's prayer that God would make plans succeed.

1 Chronicles 17:2 echoes Nathan's affirmation of David's plan, aligning with the psalm's prayer for successful plans.

In Job 22:28, Eliphaz promises that if Job repents, his plans will be established — similar to the prayer for the king's plans to succeed here.