Home / 33,578.21-50,471.91-21,177.92

Finding the Fourth Proportional to 33,578.21, 50,471.91 and 21,177.92

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Solution

The fourth proportional to 33,578.21, 50,471.91 and 21,177.92 is: 31,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,578.21 : 50,471.91 = 21,177.92 : x
  2. Step 2: Convert to fraction form
    33,578.21/50,471.91 = 21,177.92/x
  3. Step 3: Cross multiply
    33,578.21x = 50,471.91 × 21,177.92
  4. Step 4: Simplify right side
    33,578.21x = 1,068,890,198.41
  5. Step 5: Solve for x
    x = 1,068,890,198.41/33,578.21
  6. Step 6: Final answer
    x = 31,832.85

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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.