Home / 55,149.38-82,733.17-21,869.61

Finding the Fourth Proportional to 55,149.38, 82,733.17 and 21,869.61

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Solution

The fourth proportional to 55,149.38, 82,733.17 and 21,869.61 is: 32,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.38 : 82,733.17 = 21,869.61 : x
  2. Step 2: Convert to fraction form
    55,149.38/82,733.17 = 21,869.61/x
  3. Step 3: Cross multiply
    55,149.38x = 82,733.17 × 21,869.61
  4. Step 4: Simplify right side
    55,149.38x = 1,809,342,161.96
  5. Step 5: Solve for x
    x = 1,809,342,161.96/55,149.38
  6. Step 6: Final answer
    x = 32,808.02

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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.