Home / 40,330.20-60,452.10-18,139.80

Finding the Fourth Proportional to 40,330.20, 60,452.10 and 18,139.80

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Solution

The fourth proportional to 40,330.20, 60,452.10 and 18,139.80 is: 27,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.20 : 60,452.10 = 18,139.80 : x
  2. Step 2: Convert to fraction form
    40,330.20/60,452.10 = 18,139.80/x
  3. Step 3: Cross multiply
    40,330.20x = 60,452.10 × 18,139.80
  4. Step 4: Simplify right side
    40,330.20x = 1,096,589,003.58
  5. Step 5: Solve for x
    x = 1,096,589,003.58/40,330.20
  6. Step 6: Final answer
    x = 27,190.27

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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.