Home / 33,227.75-45,854.30-18,323.75

Finding the Fourth Proportional to 33,227.75, 45,854.30 and 18,323.75

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Solution

The fourth proportional to 33,227.75, 45,854.30 and 18,323.75 is: 25,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,227.75 : 45,854.30 = 18,323.75 : x
  2. Step 2: Convert to fraction form
    33,227.75/45,854.30 = 18,323.75/x
  3. Step 3: Cross multiply
    33,227.75x = 45,854.30 × 18,323.75
  4. Step 4: Simplify right side
    33,227.75x = 840,222,729.63
  5. Step 5: Solve for x
    x = 840,222,729.63/33,227.75
  6. Step 6: Final answer
    x = 25,286.78

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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.