Home / 31,005,245.92-42,786,930-17,253,974.56

Finding the Fourth Proportional to 31,005,245.92, 42,786,930 and 17,253,974.56

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Solution

The fourth proportional to 31,005,245.92, 42,786,930 and 17,253,974.56 is: 23,810,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,245.92 : 42,786,930 = 17,253,974.56 : x
  2. Step 2: Convert to fraction form
    31,005,245.92/42,786,930 = 17,253,974.56/x
  3. Step 3: Cross multiply
    31,005,245.92x = 42,786,930 × 17,253,974.56
  4. Step 4: Simplify right side
    31,005,245.92x = 738,244,601,720,500.75
  5. Step 5: Solve for x
    x = 738,244,601,720,500.75/31,005,245.92
  6. Step 6: Final answer
    x = 23,810,312.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.