Home / 31,627.26-47,437.25-8,255.52

Finding the Fourth Proportional to 31,627.26, 47,437.25 and 8,255.52

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Solution

The fourth proportional to 31,627.26, 47,437.25 and 8,255.52 is: 12,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.26 : 47,437.25 = 8,255.52 : x
  2. Step 2: Convert to fraction form
    31,627.26/47,437.25 = 8,255.52/x
  3. Step 3: Cross multiply
    31,627.26x = 47,437.25 × 8,255.52
  4. Step 4: Simplify right side
    31,627.26x = 391,619,124.84
  5. Step 5: Solve for x
    x = 391,619,124.84/31,627.26
  6. Step 6: Final answer
    x = 12,382.33

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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.