Home / 36,384.80-54,489.52-20,755.04

Finding the Fourth Proportional to 36,384.80, 54,489.52 and 20,755.04

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Solution

The fourth proportional to 36,384.80, 54,489.52 and 20,755.04 is: 31,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,384.80 : 54,489.52 = 20,755.04 : x
  2. Step 2: Convert to fraction form
    36,384.80/54,489.52 = 20,755.04/x
  3. Step 3: Cross multiply
    36,384.80x = 54,489.52 × 20,755.04
  4. Step 4: Simplify right side
    36,384.80x = 1,130,932,167.18
  5. Step 5: Solve for x
    x = 1,130,932,167.18/36,384.80
  6. Step 6: Final answer
    x = 31,082.54

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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.