Home / 42,116.97-63,138.25-17,177.88

Finding the Fourth Proportional to 42,116.97, 63,138.25 and 17,177.88

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Solution

The fourth proportional to 42,116.97, 63,138.25 and 17,177.88 is: 25,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,116.97 : 63,138.25 = 17,177.88 : x
  2. Step 2: Convert to fraction form
    42,116.97/63,138.25 = 17,177.88/x
  3. Step 3: Cross multiply
    42,116.97x = 63,138.25 × 17,177.88
  4. Step 4: Simplify right side
    42,116.97x = 1,084,581,281.91
  5. Step 5: Solve for x
    x = 1,084,581,281.91/42,116.97
  6. Step 6: Final answer
    x = 25,751.65

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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.