Home / 40,887.80-61,331.70-38,468.60

Finding the Fourth Proportional to 40,887.80, 61,331.70 and 38,468.60

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Solution

The fourth proportional to 40,887.80, 61,331.70 and 38,468.60 is: 57,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.80 : 61,331.70 = 38,468.60 : x
  2. Step 2: Convert to fraction form
    40,887.80/61,331.70 = 38,468.60/x
  3. Step 3: Cross multiply
    40,887.80x = 61,331.70 × 38,468.60
  4. Step 4: Simplify right side
    40,887.80x = 2,359,344,634.62
  5. Step 5: Solve for x
    x = 2,359,344,634.62/40,887.80
  6. Step 6: Final answer
    x = 57,702.90

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1.5x scale

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.