Home / 42,187.28-63,395.88-22,479.92

Finding the Fourth Proportional to 42,187.28, 63,395.88 and 22,479.92

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Solution

The fourth proportional to 42,187.28, 63,395.88 and 22,479.92 is: 33,781.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.28 : 63,395.88 = 22,479.92 : x
  2. Step 2: Convert to fraction form
    42,187.28/63,395.88 = 22,479.92/x
  3. Step 3: Cross multiply
    42,187.28x = 63,395.88 × 22,479.92
  4. Step 4: Simplify right side
    42,187.28x = 1,425,134,310.73
  5. Step 5: Solve for x
    x = 1,425,134,310.73/42,187.28
  6. Step 6: Final answer
    x = 33,781.14

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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.