Home / 41,187.42-61,744.14-20,115.54

Finding the Fourth Proportional to 41,187.42, 61,744.14 and 20,115.54

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Solution

The fourth proportional to 41,187.42, 61,744.14 and 20,115.54 is: 30,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187.42 : 61,744.14 = 20,115.54 : x
  2. Step 2: Convert to fraction form
    41,187.42/61,744.14 = 20,115.54/x
  3. Step 3: Cross multiply
    41,187.42x = 61,744.14 × 20,115.54
  4. Step 4: Simplify right side
    41,187.42x = 1,242,016,717.94
  5. Step 5: Solve for x
    x = 1,242,016,717.94/41,187.42
  6. Step 6: Final answer
    x = 30,155.24

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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.