Home / 33,278.87-45,924.12-18,171.97

Finding the Fourth Proportional to 33,278.87, 45,924.12 and 18,171.97

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Solution

The fourth proportional to 33,278.87, 45,924.12 and 18,171.97 is: 25,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.87 : 45,924.12 = 18,171.97 : x
  2. Step 2: Convert to fraction form
    33,278.87/45,924.12 = 18,171.97/x
  3. Step 3: Cross multiply
    33,278.87x = 45,924.12 × 18,171.97
  4. Step 4: Simplify right side
    33,278.87x = 834,531,616.11
  5. Step 5: Solve for x
    x = 834,531,616.11/33,278.87
  6. Step 6: Final answer
    x = 25,076.92

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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.