Home / 31,735.91-43,793.87-18,306.37

Finding the Fourth Proportional to 31,735.91, 43,793.87 and 18,306.37

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Solution

The fourth proportional to 31,735.91, 43,793.87 and 18,306.37 is: 25,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.91 : 43,793.87 = 18,306.37 : x
  2. Step 2: Convert to fraction form
    31,735.91/43,793.87 = 18,306.37/x
  3. Step 3: Cross multiply
    31,735.91x = 43,793.87 × 18,306.37
  4. Step 4: Simplify right side
    31,735.91x = 801,706,568.98
  5. Step 5: Solve for x
    x = 801,706,568.98/31,735.91
  6. Step 6: Final answer
    x = 25,261.81

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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.