Home / 51,876.92-71,589.18-31,732.33

Finding the Fourth Proportional to 51,876.92, 71,589.18 and 31,732.33

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Solution

The fourth proportional to 51,876.92, 71,589.18 and 31,732.33 is: 43,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.92 : 71,589.18 = 31,732.33 : x
  2. Step 2: Convert to fraction form
    51,876.92/71,589.18 = 31,732.33/x
  3. Step 3: Cross multiply
    51,876.92x = 71,589.18 × 31,732.33
  4. Step 4: Simplify right side
    51,876.92x = 2,271,691,305.22
  5. Step 5: Solve for x
    x = 2,271,691,305.22/51,876.92
  6. Step 6: Final answer
    x = 43,790.02

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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.