Home / 51,586.38-71,193.42-30,369.87

Finding the Fourth Proportional to 51,586.38, 71,193.42 and 30,369.87

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Solution

The fourth proportional to 51,586.38, 71,193.42 and 30,369.87 is: 41,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,586.38 : 71,193.42 = 30,369.87 : x
  2. Step 2: Convert to fraction form
    51,586.38/71,193.42 = 30,369.87/x
  3. Step 3: Cross multiply
    51,586.38x = 71,193.42 × 30,369.87
  4. Step 4: Simplify right side
    51,586.38x = 2,162,134,910.26
  5. Step 5: Solve for x
    x = 2,162,134,910.26/51,586.38
  6. Step 6: Final answer
    x = 41,912.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.