Home / 51,516.92-71,082.42-30,288.44

Finding the Fourth Proportional to 51,516.92, 71,082.42 and 30,288.44

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Solution

The fourth proportional to 51,516.92, 71,082.42 and 30,288.44 is: 41,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.92 : 71,082.42 = 30,288.44 : x
  2. Step 2: Convert to fraction form
    51,516.92/71,082.42 = 30,288.44/x
  3. Step 3: Cross multiply
    51,516.92x = 71,082.42 × 30,288.44
  4. Step 4: Simplify right side
    51,516.92x = 2,152,975,613.22
  5. Step 5: Solve for x
    x = 2,152,975,613.22/51,516.92
  6. Step 6: Final answer
    x = 41,791.62

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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.