Home / 31,942.92-47,933.82-12,223.47

Finding the Fourth Proportional to 31,942.92, 47,933.82 and 12,223.47

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Solution

The fourth proportional to 31,942.92, 47,933.82 and 12,223.47 is: 18,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.92 : 47,933.82 = 12,223.47 : x
  2. Step 2: Convert to fraction form
    31,942.92/47,933.82 = 12,223.47/x
  3. Step 3: Cross multiply
    31,942.92x = 47,933.82 × 12,223.47
  4. Step 4: Simplify right side
    31,942.92x = 585,917,610.76
  5. Step 5: Solve for x
    x = 585,917,610.76/31,942.92
  6. Step 6: Final answer
    x = 18,342.64

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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.