Home / 33,019.44-45,564.12-18,115.44

Finding the Fourth Proportional to 33,019.44, 45,564.12 and 18,115.44

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Solution

The fourth proportional to 33,019.44, 45,564.12 and 18,115.44 is: 24,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.44 : 45,564.12 = 18,115.44 : x
  2. Step 2: Convert to fraction form
    33,019.44/45,564.12 = 18,115.44/x
  3. Step 3: Cross multiply
    33,019.44x = 45,564.12 × 18,115.44
  4. Step 4: Simplify right side
    33,019.44x = 825,414,082.01
  5. Step 5: Solve for x
    x = 825,414,082.01/33,019.44
  6. Step 6: Final answer
    x = 24,997.82

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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.