Home / 33,251.38-45,872.43-21,906.33

Finding the Fourth Proportional to 33,251.38, 45,872.43 and 21,906.33

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Solution

The fourth proportional to 33,251.38, 45,872.43 and 21,906.33 is: 30,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.38 : 45,872.43 = 21,906.33 : x
  2. Step 2: Convert to fraction form
    33,251.38/45,872.43 = 21,906.33/x
  3. Step 3: Cross multiply
    33,251.38x = 45,872.43 × 21,906.33
  4. Step 4: Simplify right side
    33,251.38x = 1,004,896,589.48
  5. Step 5: Solve for x
    x = 1,004,896,589.48/33,251.38
  6. Step 6: Final answer
    x = 30,221.20

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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.