Home / 31,432.75-47,151.96-8,059.39

Finding the Fourth Proportional to 31,432.75, 47,151.96 and 8,059.39

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Solution

The fourth proportional to 31,432.75, 47,151.96 and 8,059.39 is: 12,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.75 : 47,151.96 = 8,059.39 : x
  2. Step 2: Convert to fraction form
    31,432.75/47,151.96 = 8,059.39/x
  3. Step 3: Cross multiply
    31,432.75x = 47,151.96 × 8,059.39
  4. Step 4: Simplify right side
    31,432.75x = 380,016,034.90
  5. Step 5: Solve for x
    x = 380,016,034.90/31,432.75
  6. Step 6: Final answer
    x = 12,089.81

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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.