Home / 40,162.90-60,233.55-12,082.90

Finding the Fourth Proportional to 40,162.90, 60,233.55 and 12,082.90

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Solution

The fourth proportional to 40,162.90, 60,233.55 and 12,082.90 is: 18,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.90 : 60,233.55 = 12,082.90 : x
  2. Step 2: Convert to fraction form
    40,162.90/60,233.55 = 12,082.90/x
  3. Step 3: Cross multiply
    40,162.90x = 60,233.55 × 12,082.90
  4. Step 4: Simplify right side
    40,162.90x = 727,795,961.30
  5. Step 5: Solve for x
    x = 727,795,961.30/40,162.90
  6. Step 6: Final answer
    x = 18,121.10

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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.