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Finding the Fourth Proportional to 36,581.52, 54,872.24 and 11,957.52

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Solution

The fourth proportional to 36,581.52, 54,872.24 and 11,957.52 is: 17,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.52 : 54,872.24 = 11,957.52 : x
  2. Step 2: Convert to fraction form
    36,581.52/54,872.24 = 11,957.52/x
  3. Step 3: Cross multiply
    36,581.52x = 54,872.24 × 11,957.52
  4. Step 4: Simplify right side
    36,581.52x = 656,135,907.24
  5. Step 5: Solve for x
    x = 656,135,907.24/36,581.52
  6. Step 6: Final answer
    x = 17,936.27

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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.