Home / 31,778.33-43,853.96-17,631.14

Finding the Fourth Proportional to 31,778.33, 43,853.96 and 17,631.14

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Solution

The fourth proportional to 31,778.33, 43,853.96 and 17,631.14 is: 24,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.33 : 43,853.96 = 17,631.14 : x
  2. Step 2: Convert to fraction form
    31,778.33/43,853.96 = 17,631.14/x
  3. Step 3: Cross multiply
    31,778.33x = 43,853.96 × 17,631.14
  4. Step 4: Simplify right side
    31,778.33x = 773,195,220.16
  5. Step 5: Solve for x
    x = 773,195,220.16/31,778.33
  6. Step 6: Final answer
    x = 24,330.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.