Home / 33,690.20-50,520.65-17,891.78

Finding the Fourth Proportional to 33,690.20, 50,520.65 and 17,891.78

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Solution

The fourth proportional to 33,690.20, 50,520.65 and 17,891.78 is: 26,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690.20 : 50,520.65 = 17,891.78 : x
  2. Step 2: Convert to fraction form
    33,690.20/50,520.65 = 17,891.78/x
  3. Step 3: Cross multiply
    33,690.20x = 50,520.65 × 17,891.78
  4. Step 4: Simplify right side
    33,690.20x = 903,904,013.19
  5. Step 5: Solve for x
    x = 903,904,013.19/33,690.20
  6. Step 6: Final answer
    x = 26,829.88

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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.