Home / 31,377.38-47,070.45-9,192.42

Finding the Fourth Proportional to 31,377.38, 47,070.45 and 9,192.42

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Solution

The fourth proportional to 31,377.38, 47,070.45 and 9,192.42 is: 13,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.38 : 47,070.45 = 9,192.42 : x
  2. Step 2: Convert to fraction form
    31,377.38/47,070.45 = 9,192.42/x
  3. Step 3: Cross multiply
    31,377.38x = 47,070.45 × 9,192.42
  4. Step 4: Simplify right side
    31,377.38x = 432,691,345.99
  5. Step 5: Solve for x
    x = 432,691,345.99/31,377.38
  6. Step 6: Final answer
    x = 13,789.92

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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.