Home / 36,811.28-55,241.09-20,183.09

Finding the Fourth Proportional to 36,811.28, 55,241.09 and 20,183.09

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Solution

The fourth proportional to 36,811.28, 55,241.09 and 20,183.09 is: 30,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.28 : 55,241.09 = 20,183.09 : x
  2. Step 2: Convert to fraction form
    36,811.28/55,241.09 = 20,183.09/x
  3. Step 3: Cross multiply
    36,811.28x = 55,241.09 × 20,183.09
  4. Step 4: Simplify right side
    36,811.28x = 1,114,935,514.05
  5. Step 5: Solve for x
    x = 1,114,935,514.05/36,811.28
  6. Step 6: Final answer
    x = 30,287.88

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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.