Home / 47,851.75-71,778.23-16,687

Finding the Fourth Proportional to 47,851.75, 71,778.23 and 16,687

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Solution

The fourth proportional to 47,851.75, 71,778.23 and 16,687 is: 25,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.75 : 71,778.23 = 16,687 : x
  2. Step 2: Convert to fraction form
    47,851.75/71,778.23 = 16,687/x
  3. Step 3: Cross multiply
    47,851.75x = 71,778.23 × 16,687
  4. Step 4: Simplify right side
    47,851.75x = 1,197,763,324.01
  5. Step 5: Solve for x
    x = 1,197,763,324.01/47,851.75
  6. Step 6: Final answer
    x = 25,030.71

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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.