Home / 36,245.88-54,375.30-12,556.62

Finding the Fourth Proportional to 36,245.88, 54,375.30 and 12,556.62

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Solution

The fourth proportional to 36,245.88, 54,375.30 and 12,556.62 is: 18,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,245.88 : 54,375.30 = 12,556.62 : x
  2. Step 2: Convert to fraction form
    36,245.88/54,375.30 = 12,556.62/x
  3. Step 3: Cross multiply
    36,245.88x = 54,375.30 × 12,556.62
  4. Step 4: Simplify right side
    36,245.88x = 682,769,979.49
  5. Step 5: Solve for x
    x = 682,769,979.49/36,245.88
  6. Step 6: Final answer
    x = 18,837.17

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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.