Home / 41,189.88-61,773.36-20,118.48

Finding the Fourth Proportional to 41,189.88, 61,773.36 and 20,118.48

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Solution

The fourth proportional to 41,189.88, 61,773.36 and 20,118.48 is: 30,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,189.88 : 61,773.36 = 20,118.48 : x
  2. Step 2: Convert to fraction form
    41,189.88/61,773.36 = 20,118.48/x
  3. Step 3: Cross multiply
    41,189.88x = 61,773.36 × 20,118.48
  4. Step 4: Simplify right side
    41,189.88x = 1,242,786,107.69
  5. Step 5: Solve for x
    x = 1,242,786,107.69/41,189.88
  6. Step 6: Final answer
    x = 30,172.12

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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.