Home / 31,735.66-43,793.53-18,306.12

Finding the Fourth Proportional to 31,735.66, 43,793.53 and 18,306.12

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Solution

The fourth proportional to 31,735.66, 43,793.53 and 18,306.12 is: 25,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.66 : 43,793.53 = 18,306.12 : x
  2. Step 2: Convert to fraction form
    31,735.66/43,793.53 = 18,306.12/x
  3. Step 3: Cross multiply
    31,735.66x = 43,793.53 × 18,306.12
  4. Step 4: Simplify right side
    31,735.66x = 801,689,350.67
  5. Step 5: Solve for x
    x = 801,689,350.67/31,735.66
  6. Step 6: Final answer
    x = 25,261.47

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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.