Home / 31,730.39-43,797.56-18,310.42

Finding the Fourth Proportional to 31,730.39, 43,797.56 and 18,310.42

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Solution

The fourth proportional to 31,730.39, 43,797.56 and 18,310.42 is: 25,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.39 : 43,797.56 = 18,310.42 : x
  2. Step 2: Convert to fraction form
    31,730.39/43,797.56 = 18,310.42/x
  3. Step 3: Cross multiply
    31,730.39x = 43,797.56 × 18,310.42
  4. Step 4: Simplify right side
    31,730.39x = 801,951,718.58
  5. Step 5: Solve for x
    x = 801,951,718.58/31,730.39
  6. Step 6: Final answer
    x = 25,273.93

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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.