Home / 47,806.38-71,706.83-18,227.20

Finding the Fourth Proportional to 47,806.38, 71,706.83 and 18,227.20

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Solution

The fourth proportional to 47,806.38, 71,706.83 and 18,227.20 is: 27,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,806.38 : 71,706.83 = 18,227.20 : x
  2. Step 2: Convert to fraction form
    47,806.38/71,706.83 = 18,227.20/x
  3. Step 3: Cross multiply
    47,806.38x = 71,706.83 × 18,227.20
  4. Step 4: Simplify right side
    47,806.38x = 1,307,014,731.78
  5. Step 5: Solve for x
    x = 1,307,014,731.78/47,806.38
  6. Step 6: Final answer
    x = 27,339.76

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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.