Home / 87,974.02-131,959.17-21,414.52

Finding the Fourth Proportional to 87,974.02, 131,959.17 and 21,414.52

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Solution

The fourth proportional to 87,974.02, 131,959.17 and 21,414.52 is: 32,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,974.02 : 131,959.17 = 21,414.52 : x
  2. Step 2: Convert to fraction form
    87,974.02/131,959.17 = 21,414.52/x
  3. Step 3: Cross multiply
    87,974.02x = 131,959.17 × 21,414.52
  4. Step 4: Simplify right side
    87,974.02x = 2,825,842,285.15
  5. Step 5: Solve for x
    x = 2,825,842,285.15/87,974.02
  6. Step 6: Final answer
    x = 32,121.33

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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.