Home / 47,649.62-71,384.22-31,806.88

Finding the Fourth Proportional to 47,649.62, 71,384.22 and 31,806.88

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Solution

The fourth proportional to 47,649.62, 71,384.22 and 31,806.88 is: 47,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.62 : 71,384.22 = 31,806.88 : x
  2. Step 2: Convert to fraction form
    47,649.62/71,384.22 = 31,806.88/x
  3. Step 3: Cross multiply
    47,649.62x = 71,384.22 × 31,806.88
  4. Step 4: Simplify right side
    47,649.62x = 2,270,509,289.39
  5. Step 5: Solve for x
    x = 2,270,509,289.39/47,649.62
  6. Step 6: Final answer
    x = 47,650.10

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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.