Home / 31,951.98-47,926.26-12,229.02

Finding the Fourth Proportional to 31,951.98, 47,926.26 and 12,229.02

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Solution

The fourth proportional to 31,951.98, 47,926.26 and 12,229.02 is: 18,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.98 : 47,926.26 = 12,229.02 : x
  2. Step 2: Convert to fraction form
    31,951.98/47,926.26 = 12,229.02/x
  3. Step 3: Cross multiply
    31,951.98x = 47,926.26 × 12,229.02
  4. Step 4: Simplify right side
    31,951.98x = 586,091,192.07
  5. Step 5: Solve for x
    x = 586,091,192.07/31,951.98
  6. Step 6: Final answer
    x = 18,342.88

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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.