Home / 31,793.82-47,571.39-19,789.62

Finding the Fourth Proportional to 31,793.82, 47,571.39 and 19,789.62

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Solution

The fourth proportional to 31,793.82, 47,571.39 and 19,789.62 is: 29,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.82 : 47,571.39 = 19,789.62 : x
  2. Step 2: Convert to fraction form
    31,793.82/47,571.39 = 19,789.62/x
  3. Step 3: Cross multiply
    31,793.82x = 47,571.39 × 19,789.62
  4. Step 4: Simplify right side
    31,793.82x = 941,419,730.97
  5. Step 5: Solve for x
    x = 941,419,730.97/31,793.82
  6. Step 6: Final answer
    x = 29,610.15

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1.5x scale

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.