Home / 31,713.12-47,507.76-15,049.44

Finding the Fourth Proportional to 31,713.12, 47,507.76 and 15,049.44

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Solution

The fourth proportional to 31,713.12, 47,507.76 and 15,049.44 is: 22,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.12 : 47,507.76 = 15,049.44 : x
  2. Step 2: Convert to fraction form
    31,713.12/47,507.76 = 15,049.44/x
  3. Step 3: Cross multiply
    31,713.12x = 47,507.76 × 15,049.44
  4. Step 4: Simplify right side
    31,713.12x = 714,965,183.65
  5. Step 5: Solve for x
    x = 714,965,183.65/31,713.12
  6. Step 6: Final answer
    x = 22,544.78

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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.