Home / 38,147.52-57,166.68-21,472.56

Finding the Fourth Proportional to 38,147.52, 57,166.68 and 21,472.56

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Solution

The fourth proportional to 38,147.52, 57,166.68 and 21,472.56 is: 32,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.52 : 57,166.68 = 21,472.56 : x
  2. Step 2: Convert to fraction form
    38,147.52/57,166.68 = 21,472.56/x
  3. Step 3: Cross multiply
    38,147.52x = 57,166.68 × 21,472.56
  4. Step 4: Simplify right side
    38,147.52x = 1,227,514,966.30
  5. Step 5: Solve for x
    x = 1,227,514,966.30/38,147.52
  6. Step 6: Final answer
    x = 32,178.11

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1.5x scale

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.