Home / 81,609.06-122,414.27-22,447.97

Finding the Fourth Proportional to 81,609.06, 122,414.27 and 22,447.97

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Solution

The fourth proportional to 81,609.06, 122,414.27 and 22,447.97 is: 33,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,609.06 : 122,414.27 = 22,447.97 : x
  2. Step 2: Convert to fraction form
    81,609.06/122,414.27 = 22,447.97/x
  3. Step 3: Cross multiply
    81,609.06x = 122,414.27 × 22,447.97
  4. Step 4: Simplify right side
    81,609.06x = 2,747,951,136.22
  5. Step 5: Solve for x
    x = 2,747,951,136.22/81,609.06
  6. Step 6: Final answer
    x = 33,672.13

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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.