Home / 47,337.62-65,310.65-31,425.14

Finding the Fourth Proportional to 47,337.62, 65,310.65 and 31,425.14

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Solution

The fourth proportional to 47,337.62, 65,310.65 and 31,425.14 is: 43,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,337.62 : 65,310.65 = 31,425.14 : x
  2. Step 2: Convert to fraction form
    47,337.62/65,310.65 = 31,425.14/x
  3. Step 3: Cross multiply
    47,337.62x = 65,310.65 × 31,425.14
  4. Step 4: Simplify right side
    47,337.62x = 2,052,396,436.82
  5. Step 5: Solve for x
    x = 2,052,396,436.82/47,337.62
  6. Step 6: Final answer
    x = 43,356.57

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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.