Home / 71,728.50-107,610.03-22,480.50

Finding the Fourth Proportional to 71,728.50, 107,610.03 and 22,480.50

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Solution

The fourth proportional to 71,728.50, 107,610.03 and 22,480.50 is: 33,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,728.50 : 107,610.03 = 22,480.50 : x
  2. Step 2: Convert to fraction form
    71,728.50/107,610.03 = 22,480.50/x
  3. Step 3: Cross multiply
    71,728.50x = 107,610.03 × 22,480.50
  4. Step 4: Simplify right side
    71,728.50x = 2,419,127,279.42
  5. Step 5: Solve for x
    x = 2,419,127,279.42/71,728.50
  6. Step 6: Final answer
    x = 33,726.17

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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.