Home / 34,625.40-51,915.96-20,581.68

Finding the Fourth Proportional to 34,625.40, 51,915.96 and 20,581.68

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Solution

The fourth proportional to 34,625.40, 51,915.96 and 20,581.68 is: 30,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,625.40 : 51,915.96 = 20,581.68 : x
  2. Step 2: Convert to fraction form
    34,625.40/51,915.96 = 20,581.68/x
  3. Step 3: Cross multiply
    34,625.40x = 51,915.96 × 20,581.68
  4. Step 4: Simplify right side
    34,625.40x = 1,068,517,675.61
  5. Step 5: Solve for x
    x = 1,068,517,675.61/34,625.40
  6. Step 6: Final answer
    x = 30,859.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.