Home / 31,706.91-43,755.98-18,277.92

Finding the Fourth Proportional to 31,706.91, 43,755.98 and 18,277.92

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Solution

The fourth proportional to 31,706.91, 43,755.98 and 18,277.92 is: 25,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,706.91 : 43,755.98 = 18,277.92 : x
  2. Step 2: Convert to fraction form
    31,706.91/43,755.98 = 18,277.92/x
  3. Step 3: Cross multiply
    31,706.91x = 43,755.98 × 18,277.92
  4. Step 4: Simplify right side
    31,706.91x = 799,768,301.96
  5. Step 5: Solve for x
    x = 799,768,301.96/31,706.91
  6. Step 6: Final answer
    x = 25,223.79

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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.