Home / 54,276.10-81,414.15-38,529.70

Finding the Fourth Proportional to 54,276.10, 81,414.15 and 38,529.70

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Solution

The fourth proportional to 54,276.10, 81,414.15 and 38,529.70 is: 57,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.10 : 81,414.15 = 38,529.70 : x
  2. Step 2: Convert to fraction form
    54,276.10/81,414.15 = 38,529.70/x
  3. Step 3: Cross multiply
    54,276.10x = 81,414.15 × 38,529.70
  4. Step 4: Simplify right side
    54,276.10x = 3,136,862,775.26
  5. Step 5: Solve for x
    x = 3,136,862,775.26/54,276.10
  6. Step 6: Final answer
    x = 57,794.55

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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.