Home / 41,189.67-61,747.51-20,117.79

Finding the Fourth Proportional to 41,189.67, 61,747.51 and 20,117.79

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Solution

The fourth proportional to 41,189.67, 61,747.51 and 20,117.79 is: 30,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,189.67 : 61,747.51 = 20,117.79 : x
  2. Step 2: Convert to fraction form
    41,189.67/61,747.51 = 20,117.79/x
  3. Step 3: Cross multiply
    41,189.67x = 61,747.51 × 20,117.79
  4. Step 4: Simplify right side
    41,189.67x = 1,242,223,439.20
  5. Step 5: Solve for x
    x = 1,242,223,439.20/41,189.67
  6. Step 6: Final answer
    x = 30,158.62

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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.