Home / 33,187.27-49,666.36-20,531.83

Finding the Fourth Proportional to 33,187.27, 49,666.36 and 20,531.83

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Solution

The fourth proportional to 33,187.27, 49,666.36 and 20,531.83 is: 30,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.27 : 49,666.36 = 20,531.83 : x
  2. Step 2: Convert to fraction form
    33,187.27/49,666.36 = 20,531.83/x
  3. Step 3: Cross multiply
    33,187.27x = 49,666.36 × 20,531.83
  4. Step 4: Simplify right side
    33,187.27x = 1,019,741,260.24
  5. Step 5: Solve for x
    x = 1,019,741,260.24/33,187.27
  6. Step 6: Final answer
    x = 30,726.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.