Home / 31,937.76-47,874.24-13,231.08

Finding the Fourth Proportional to 31,937.76, 47,874.24 and 13,231.08

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Solution

The fourth proportional to 31,937.76, 47,874.24 and 13,231.08 is: 19,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.76 : 47,874.24 = 13,231.08 : x
  2. Step 2: Convert to fraction form
    31,937.76/47,874.24 = 13,231.08/x
  3. Step 3: Cross multiply
    31,937.76x = 47,874.24 × 13,231.08
  4. Step 4: Simplify right side
    31,937.76x = 633,427,899.38
  5. Step 5: Solve for x
    x = 633,427,899.38/31,937.76
  6. Step 6: Final answer
    x = 19,833.20

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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.