Home / 29,147.76-43,713.36-8,082.72

Finding the Fourth Proportional to 29,147.76, 43,713.36 and 8,082.72

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Solution

The fourth proportional to 29,147.76, 43,713.36 and 8,082.72 is: 12,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.76 : 43,713.36 = 8,082.72 : x
  2. Step 2: Convert to fraction form
    29,147.76/43,713.36 = 8,082.72/x
  3. Step 3: Cross multiply
    29,147.76x = 43,713.36 × 8,082.72
  4. Step 4: Simplify right side
    29,147.76x = 353,322,849.14
  5. Step 5: Solve for x
    x = 353,322,849.14/29,147.76
  6. Step 6: Final answer
    x = 12,121.78

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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.