Home / 57,929.28-86,910.36-29,869.80

Finding the Fourth Proportional to 57,929.28, 86,910.36 and 29,869.80

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Solution

The fourth proportional to 57,929.28, 86,910.36 and 29,869.80 is: 44,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929.28 : 86,910.36 = 29,869.80 : x
  2. Step 2: Convert to fraction form
    57,929.28/86,910.36 = 29,869.80/x
  3. Step 3: Cross multiply
    57,929.28x = 86,910.36 × 29,869.80
  4. Step 4: Simplify right side
    57,929.28x = 2,595,995,071.13
  5. Step 5: Solve for x
    x = 2,595,995,071.13/57,929.28
  6. Step 6: Final answer
    x = 44,813.18

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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.