Home / 31,962.60-47,943.83-8,589.04

Finding the Fourth Proportional to 31,962.60, 47,943.83 and 8,589.04

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Solution

The fourth proportional to 31,962.60, 47,943.83 and 8,589.04 is: 12,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.60 : 47,943.83 = 8,589.04 : x
  2. Step 2: Convert to fraction form
    31,962.60/47,943.83 = 8,589.04/x
  3. Step 3: Cross multiply
    31,962.60x = 47,943.83 × 8,589.04
  4. Step 4: Simplify right side
    31,962.60x = 411,791,375.24
  5. Step 5: Solve for x
    x = 411,791,375.24/31,962.60
  6. Step 6: Final answer
    x = 12,883.54

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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.