Home / 31,712.68-43,773.18-18,292.84

Finding the Fourth Proportional to 31,712.68, 43,773.18 and 18,292.84

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Solution

The fourth proportional to 31,712.68, 43,773.18 and 18,292.84 is: 25,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.68 : 43,773.18 = 18,292.84 : x
  2. Step 2: Convert to fraction form
    31,712.68/43,773.18 = 18,292.84/x
  3. Step 3: Cross multiply
    31,712.68x = 43,773.18 × 18,292.84
  4. Step 4: Simplify right side
    31,712.68x = 800,735,778.03
  5. Step 5: Solve for x
    x = 800,735,778.03/31,712.68
  6. Step 6: Final answer
    x = 25,249.70

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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.