Home / 42,266.92-63,414.78-15,979.24

Finding the Fourth Proportional to 42,266.92, 63,414.78 and 15,979.24

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Solution

The fourth proportional to 42,266.92, 63,414.78 and 15,979.24 is: 23,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,266.92 : 63,414.78 = 15,979.24 : x
  2. Step 2: Convert to fraction form
    42,266.92/63,414.78 = 15,979.24/x
  3. Step 3: Cross multiply
    42,266.92x = 63,414.78 × 15,979.24
  4. Step 4: Simplify right side
    42,266.92x = 1,013,319,989.17
  5. Step 5: Solve for x
    x = 1,013,319,989.17/42,266.92
  6. Step 6: Final answer
    x = 23,974.30

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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.