Home / 86,011.38-129,008.97-29,842.74

Finding the Fourth Proportional to 86,011.38, 129,008.97 and 29,842.74

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Solution

The fourth proportional to 86,011.38, 129,008.97 and 29,842.74 is: 44,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,011.38 : 129,008.97 = 29,842.74 : x
  2. Step 2: Convert to fraction form
    86,011.38/129,008.97 = 29,842.74/x
  3. Step 3: Cross multiply
    86,011.38x = 129,008.97 × 29,842.74
  4. Step 4: Simplify right side
    86,011.38x = 3,849,981,149.38
  5. Step 5: Solve for x
    x = 3,849,981,149.38/86,011.38
  6. Step 6: Final answer
    x = 44,761.30

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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.