Home / 33,305.31-45,961.11-18,197.78

Finding the Fourth Proportional to 33,305.31, 45,961.11 and 18,197.78

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Solution

The fourth proportional to 33,305.31, 45,961.11 and 18,197.78 is: 25,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.31 : 45,961.11 = 18,197.78 : x
  2. Step 2: Convert to fraction form
    33,305.31/45,961.11 = 18,197.78/x
  3. Step 3: Cross multiply
    33,305.31x = 45,961.11 × 18,197.78
  4. Step 4: Simplify right side
    33,305.31x = 836,389,938.53
  5. Step 5: Solve for x
    x = 836,389,938.53/33,305.31
  6. Step 6: Final answer
    x = 25,112.81

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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.