Home / 31,747.96-47,617.26-8,376.04

Finding the Fourth Proportional to 31,747.96, 47,617.26 and 8,376.04

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Solution

The fourth proportional to 31,747.96, 47,617.26 and 8,376.04 is: 12,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.96 : 47,617.26 = 8,376.04 : x
  2. Step 2: Convert to fraction form
    31,747.96/47,617.26 = 8,376.04/x
  3. Step 3: Cross multiply
    31,747.96x = 47,617.26 × 8,376.04
  4. Step 4: Simplify right side
    31,747.96x = 398,844,074.45
  5. Step 5: Solve for x
    x = 398,844,074.45/31,747.96
  6. Step 6: Final answer
    x = 12,562.83

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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.