Home / 81,724.49-122,593.79-22,560.17

Finding the Fourth Proportional to 81,724.49, 122,593.79 and 22,560.17

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Solution

The fourth proportional to 81,724.49, 122,593.79 and 22,560.17 is: 33,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,724.49 : 122,593.79 = 22,560.17 : x
  2. Step 2: Convert to fraction form
    81,724.49/122,593.79 = 22,560.17/x
  3. Step 3: Cross multiply
    81,724.49x = 122,593.79 × 22,560.17
  4. Step 4: Simplify right side
    81,724.49x = 2,765,737,106.23
  5. Step 5: Solve for x
    x = 2,765,737,106.23/81,724.49
  6. Step 6: Final answer
    x = 33,842.21

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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.