Home / 47,469.88-71,209.64-17,912.56

Finding the Fourth Proportional to 47,469.88, 71,209.64 and 17,912.56

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Solution

The fourth proportional to 47,469.88, 71,209.64 and 17,912.56 is: 26,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,469.88 : 71,209.64 = 17,912.56 : x
  2. Step 2: Convert to fraction form
    47,469.88/71,209.64 = 17,912.56/x
  3. Step 3: Cross multiply
    47,469.88x = 71,209.64 × 17,912.56
  4. Step 4: Simplify right side
    47,469.88x = 1,275,546,949.08
  5. Step 5: Solve for x
    x = 1,275,546,949.08/47,469.88
  6. Step 6: Final answer
    x = 26,870.66

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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.