Home / 33,311.98-49,992.61-15,781.85

Finding the Fourth Proportional to 33,311.98, 49,992.61 and 15,781.85

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Solution

The fourth proportional to 33,311.98, 49,992.61 and 15,781.85 is: 23,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.98 : 49,992.61 = 15,781.85 : x
  2. Step 2: Convert to fraction form
    33,311.98/49,992.61 = 15,781.85/x
  3. Step 3: Cross multiply
    33,311.98x = 49,992.61 × 15,781.85
  4. Step 4: Simplify right side
    33,311.98x = 788,975,872.13
  5. Step 5: Solve for x
    x = 788,975,872.13/33,311.98
  6. Step 6: Final answer
    x = 23,684.45

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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.