Home / 55,013.38-82,551.28-29,712.58

Finding the Fourth Proportional to 55,013.38, 82,551.28 and 29,712.58

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Solution

The fourth proportional to 55,013.38, 82,551.28 and 29,712.58 is: 44,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.38 : 82,551.28 = 29,712.58 : x
  2. Step 2: Convert to fraction form
    55,013.38/82,551.28 = 29,712.58/x
  3. Step 3: Cross multiply
    55,013.38x = 82,551.28 × 29,712.58
  4. Step 4: Simplify right side
    55,013.38x = 2,452,811,511.10
  5. Step 5: Solve for x
    x = 2,452,811,511.10/55,013.38
  6. Step 6: Final answer
    x = 44,585.73

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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.