Home / 57,179.82-85,769.93-40,489.37

Finding the Fourth Proportional to 57,179.82, 85,769.93 and 40,489.37

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Solution

The fourth proportional to 57,179.82, 85,769.93 and 40,489.37 is: 60,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.82 : 85,769.93 = 40,489.37 : x
  2. Step 2: Convert to fraction form
    57,179.82/85,769.93 = 40,489.37/x
  3. Step 3: Cross multiply
    57,179.82x = 85,769.93 × 40,489.37
  4. Step 4: Simplify right side
    57,179.82x = 3,472,770,001.79
  5. Step 5: Solve for x
    x = 3,472,770,001.79/57,179.82
  6. Step 6: Final answer
    x = 60,734.19

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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.