Home / 33,180.72-45,789.12-18,073.20

Finding the Fourth Proportional to 33,180.72, 45,789.12 and 18,073.20

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Solution

The fourth proportional to 33,180.72, 45,789.12 and 18,073.20 is: 24,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.72 : 45,789.12 = 18,073.20 : x
  2. Step 2: Convert to fraction form
    33,180.72/45,789.12 = 18,073.20/x
  3. Step 3: Cross multiply
    33,180.72x = 45,789.12 × 18,073.20
  4. Step 4: Simplify right side
    33,180.72x = 827,555,923.58
  5. Step 5: Solve for x
    x = 827,555,923.58/33,180.72
  6. Step 6: Final answer
    x = 24,940.87

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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.