Home / 31,957.26-47,945.61-14,422.38

Finding the Fourth Proportional to 31,957.26, 47,945.61 and 14,422.38

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Solution

The fourth proportional to 31,957.26, 47,945.61 and 14,422.38 is: 21,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.26 : 47,945.61 = 14,422.38 : x
  2. Step 2: Convert to fraction form
    31,957.26/47,945.61 = 14,422.38/x
  3. Step 3: Cross multiply
    31,957.26x = 47,945.61 × 14,422.38
  4. Step 4: Simplify right side
    31,957.26x = 691,489,806.75
  5. Step 5: Solve for x
    x = 691,489,806.75/31,957.26
  6. Step 6: Final answer
    x = 21,637.96

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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.