Home / 54,248.40-81,372.60-35,646.75

Finding the Fourth Proportional to 54,248.40, 81,372.60 and 35,646.75

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Solution

The fourth proportional to 54,248.40, 81,372.60 and 35,646.75 is: 53,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.40 : 81,372.60 = 35,646.75 : x
  2. Step 2: Convert to fraction form
    54,248.40/81,372.60 = 35,646.75/x
  3. Step 3: Cross multiply
    54,248.40x = 81,372.60 × 35,646.75
  4. Step 4: Simplify right side
    54,248.40x = 2,900,668,729.05
  5. Step 5: Solve for x
    x = 2,900,668,729.05/54,248.40
  6. Step 6: Final answer
    x = 53,470.13

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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.