Home / 36,517.79-54,757.25-21,531.17

Finding the Fourth Proportional to 36,517.79, 54,757.25 and 21,531.17

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Solution

The fourth proportional to 36,517.79, 54,757.25 and 21,531.17 is: 32,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.79 : 54,757.25 = 21,531.17 : x
  2. Step 2: Convert to fraction form
    36,517.79/54,757.25 = 21,531.17/x
  3. Step 3: Cross multiply
    36,517.79x = 54,757.25 × 21,531.17
  4. Step 4: Simplify right side
    36,517.79x = 1,178,987,768.46
  5. Step 5: Solve for x
    x = 1,178,987,768.46/36,517.79
  6. Step 6: Final answer
    x = 32,285.30

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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.