Home / 55,414.20-83,121.30-32,013.30

Finding the Fourth Proportional to 55,414.20, 83,121.30 and 32,013.30

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Solution

The fourth proportional to 55,414.20, 83,121.30 and 32,013.30 is: 48,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,414.20 : 83,121.30 = 32,013.30 : x
  2. Step 2: Convert to fraction form
    55,414.20/83,121.30 = 32,013.30/x
  3. Step 3: Cross multiply
    55,414.20x = 83,121.30 × 32,013.30
  4. Step 4: Simplify right side
    55,414.20x = 2,660,987,113.29
  5. Step 5: Solve for x
    x = 2,660,987,113.29/55,414.20
  6. Step 6: Final answer
    x = 48,019.95

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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.