Home / 60,909.57-91,391.64-38,717.19

Finding the Fourth Proportional to 60,909.57, 91,391.64 and 38,717.19

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Solution

The fourth proportional to 60,909.57, 91,391.64 and 38,717.19 is: 58,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,909.57 : 91,391.64 = 38,717.19 : x
  2. Step 2: Convert to fraction form
    60,909.57/91,391.64 = 38,717.19/x
  3. Step 3: Cross multiply
    60,909.57x = 91,391.64 × 38,717.19
  4. Step 4: Simplify right side
    60,909.57x = 3,538,427,490.29
  5. Step 5: Solve for x
    x = 3,538,427,490.29/60,909.57
  6. Step 6: Final answer
    x = 58,093.13

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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.