Home / 31,706.15-43,753.29-18,277.97

Finding the Fourth Proportional to 31,706.15, 43,753.29 and 18,277.97

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Solution

The fourth proportional to 31,706.15, 43,753.29 and 18,277.97 is: 25,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706.15 : 43,753.29 = 18,277.97 : x
  2. Step 2: Convert to fraction form
    31,706.15/43,753.29 = 18,277.97/x
  3. Step 3: Cross multiply
    31,706.15x = 43,753.29 × 18,277.97
  4. Step 4: Simplify right side
    31,706.15x = 799,721,103.25
  5. Step 5: Solve for x
    x = 799,721,103.25/31,706.15
  6. Step 6: Final answer
    x = 25,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.