Home / 31,412.74-47,116.80-9,227.85

Finding the Fourth Proportional to 31,412.74, 47,116.80 and 9,227.85

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Solution

The fourth proportional to 31,412.74, 47,116.80 and 9,227.85 is: 13,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.74 : 47,116.80 = 9,227.85 : x
  2. Step 2: Convert to fraction form
    31,412.74/47,116.80 = 9,227.85/x
  3. Step 3: Cross multiply
    31,412.74x = 47,116.80 × 9,227.85
  4. Step 4: Simplify right side
    31,412.74x = 434,786,731.68
  5. Step 5: Solve for x
    x = 434,786,731.68/31,412.74
  6. Step 6: Final answer
    x = 13,841.10

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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.