Home / 33,067.67-45,631.03-18,723.38

Finding the Fourth Proportional to 33,067.67, 45,631.03 and 18,723.38

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Solution

The fourth proportional to 33,067.67, 45,631.03 and 18,723.38 is: 25,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,067.67 : 45,631.03 = 18,723.38 : x
  2. Step 2: Convert to fraction form
    33,067.67/45,631.03 = 18,723.38/x
  3. Step 3: Cross multiply
    33,067.67x = 45,631.03 × 18,723.38
  4. Step 4: Simplify right side
    33,067.67x = 854,367,020.86
  5. Step 5: Solve for x
    x = 854,367,020.86/33,067.67
  6. Step 6: Final answer
    x = 25,836.93

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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.