Home / 31,414.33-47,121.69-9,227.62

Finding the Fourth Proportional to 31,414.33, 47,121.69 and 9,227.62

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Solution

The fourth proportional to 31,414.33, 47,121.69 and 9,227.62 is: 13,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.33 : 47,121.69 = 9,227.62 : x
  2. Step 2: Convert to fraction form
    31,414.33/47,121.69 = 9,227.62/x
  3. Step 3: Cross multiply
    31,414.33x = 47,121.69 × 9,227.62
  4. Step 4: Simplify right side
    31,414.33x = 434,820,813.47
  5. Step 5: Solve for x
    x = 434,820,813.47/31,414.33
  6. Step 6: Final answer
    x = 13,841.48

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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.