Home / 31,747.68-47,623.60-9,560.16

Finding the Fourth Proportional to 31,747.68, 47,623.60 and 9,560.16

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Solution

The fourth proportional to 31,747.68, 47,623.60 and 9,560.16 is: 14,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.68 : 47,623.60 = 9,560.16 : x
  2. Step 2: Convert to fraction form
    31,747.68/47,623.60 = 9,560.16/x
  3. Step 3: Cross multiply
    31,747.68x = 47,623.60 × 9,560.16
  4. Step 4: Simplify right side
    31,747.68x = 455,289,235.78
  5. Step 5: Solve for x
    x = 455,289,235.78/31,747.68
  6. Step 6: Final answer
    x = 14,340.87

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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.