Home / 40,082.60-60,131.76-12,002.12

Finding the Fourth Proportional to 40,082.60, 60,131.76 and 12,002.12

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Solution

The fourth proportional to 40,082.60, 60,131.76 and 12,002.12 is: 18,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.60 : 60,131.76 = 12,002.12 : x
  2. Step 2: Convert to fraction form
    40,082.60/60,131.76 = 12,002.12/x
  3. Step 3: Cross multiply
    40,082.60x = 60,131.76 × 12,002.12
  4. Step 4: Simplify right side
    40,082.60x = 721,708,599.33
  5. Step 5: Solve for x
    x = 721,708,599.33/40,082.60
  6. Step 6: Final answer
    x = 18,005.53

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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.