Home / 31,824.62-47,736.92-8,132.22

Finding the Fourth Proportional to 31,824.62, 47,736.92 and 8,132.22

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Solution

The fourth proportional to 31,824.62, 47,736.92 and 8,132.22 is: 12,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.62 : 47,736.92 = 8,132.22 : x
  2. Step 2: Convert to fraction form
    31,824.62/47,736.92 = 8,132.22/x
  3. Step 3: Cross multiply
    31,824.62x = 47,736.92 × 8,132.22
  4. Step 4: Simplify right side
    31,824.62x = 388,207,135.56
  5. Step 5: Solve for x
    x = 388,207,135.56/31,824.62
  6. Step 6: Final answer
    x = 12,198.33

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1.5x scale

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.