Home / 40,517.20-60,775.80-18,331.30

Finding the Fourth Proportional to 40,517.20, 60,775.80 and 18,331.30

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Solution

The fourth proportional to 40,517.20, 60,775.80 and 18,331.30 is: 27,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.20 : 60,775.80 = 18,331.30 : x
  2. Step 2: Convert to fraction form
    40,517.20/60,775.80 = 18,331.30/x
  3. Step 3: Cross multiply
    40,517.20x = 60,775.80 × 18,331.30
  4. Step 4: Simplify right side
    40,517.20x = 1,114,099,422.54
  5. Step 5: Solve for x
    x = 1,114,099,422.54/40,517.20
  6. Step 6: Final answer
    x = 27,496.95

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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.