Home / 33,186.72-49,781.48-15,434.04

Finding the Fourth Proportional to 33,186.72, 49,781.48 and 15,434.04

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Solution

The fourth proportional to 33,186.72, 49,781.48 and 15,434.04 is: 23,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.72 : 49,781.48 = 15,434.04 : x
  2. Step 2: Convert to fraction form
    33,186.72/49,781.48 = 15,434.04/x
  3. Step 3: Cross multiply
    33,186.72x = 49,781.48 × 15,434.04
  4. Step 4: Simplify right side
    33,186.72x = 768,329,353.58
  5. Step 5: Solve for x
    x = 768,329,353.58/33,186.72
  6. Step 6: Final answer
    x = 23,151.71

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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.