Home / 33,229.97-45,857.18-18,122.36

Finding the Fourth Proportional to 33,229.97, 45,857.18 and 18,122.36

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Solution

The fourth proportional to 33,229.97, 45,857.18 and 18,122.36 is: 25,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.97 : 45,857.18 = 18,122.36 : x
  2. Step 2: Convert to fraction form
    33,229.97/45,857.18 = 18,122.36/x
  3. Step 3: Cross multiply
    33,229.97x = 45,857.18 × 18,122.36
  4. Step 4: Simplify right side
    33,229.97x = 831,040,004.65
  5. Step 5: Solve for x
    x = 831,040,004.65/33,229.97
  6. Step 6: Final answer
    x = 25,008.75

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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.