Home / 31,943.74-47,915.61-9,755.92

Finding the Fourth Proportional to 31,943.74, 47,915.61 and 9,755.92

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Solution

The fourth proportional to 31,943.74, 47,915.61 and 9,755.92 is: 14,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.74 : 47,915.61 = 9,755.92 : x
  2. Step 2: Convert to fraction form
    31,943.74/47,915.61 = 9,755.92/x
  3. Step 3: Cross multiply
    31,943.74x = 47,915.61 × 9,755.92
  4. Step 4: Simplify right side
    31,943.74x = 467,460,857.91
  5. Step 5: Solve for x
    x = 467,460,857.91/31,943.74
  6. Step 6: Final answer
    x = 14,633.88

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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.