Home / 51,715.23-71,371.17-30,211.89

Finding the Fourth Proportional to 51,715.23, 71,371.17 and 30,211.89

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Solution

The fourth proportional to 51,715.23, 71,371.17 and 30,211.89 is: 41,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.23 : 71,371.17 = 30,211.89 : x
  2. Step 2: Convert to fraction form
    51,715.23/71,371.17 = 30,211.89/x
  3. Step 3: Cross multiply
    51,715.23x = 71,371.17 × 30,211.89
  4. Step 4: Simplify right side
    51,715.23x = 2,156,257,937.21
  5. Step 5: Solve for x
    x = 2,156,257,937.21/51,715.23
  6. Step 6: Final answer
    x = 41,694.83

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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.