Home / 42,139.16-63,163.38-22,397.88

Finding the Fourth Proportional to 42,139.16, 63,163.38 and 22,397.88

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Solution

The fourth proportional to 42,139.16, 63,163.38 and 22,397.88 is: 33,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139.16 : 63,163.38 = 22,397.88 : x
  2. Step 2: Convert to fraction form
    42,139.16/63,163.38 = 22,397.88/x
  3. Step 3: Cross multiply
    42,139.16x = 63,163.38 × 22,397.88
  4. Step 4: Simplify right side
    42,139.16x = 1,414,725,805.63
  5. Step 5: Solve for x
    x = 1,414,725,805.63/42,139.16
  6. Step 6: Final answer
    x = 33,572.71

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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.