Home / 54,291.64-81,562.20-38,535.79

Finding the Fourth Proportional to 54,291.64, 81,562.20 and 38,535.79

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Solution

The fourth proportional to 54,291.64, 81,562.20 and 38,535.79 is: 57,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.64 : 81,562.20 = 38,535.79 : x
  2. Step 2: Convert to fraction form
    54,291.64/81,562.20 = 38,535.79/x
  3. Step 3: Cross multiply
    54,291.64x = 81,562.20 × 38,535.79
  4. Step 4: Simplify right side
    54,291.64x = 3,143,063,811.14
  5. Step 5: Solve for x
    x = 3,143,063,811.14/54,291.64
  6. Step 6: Final answer
    x = 57,892.22

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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.