Home / 33,721.15-50,589.87-12,661.42

Finding the Fourth Proportional to 33,721.15, 50,589.87 and 12,661.42

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Solution

The fourth proportional to 33,721.15, 50,589.87 and 12,661.42 is: 18,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.15 : 50,589.87 = 12,661.42 : x
  2. Step 2: Convert to fraction form
    33,721.15/50,589.87 = 12,661.42/x
  3. Step 3: Cross multiply
    33,721.15x = 50,589.87 × 12,661.42
  4. Step 4: Simplify right side
    33,721.15x = 640,539,591.82
  5. Step 5: Solve for x
    x = 640,539,591.82/33,721.15
  6. Step 6: Final answer
    x = 18,995.19

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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.