Home / 31,735.11-43,792.92-18,310.70

Finding the Fourth Proportional to 31,735.11, 43,792.92 and 18,310.70

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Solution

The fourth proportional to 31,735.11, 43,792.92 and 18,310.70 is: 25,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.11 : 43,792.92 = 18,310.70 : x
  2. Step 2: Convert to fraction form
    31,735.11/43,792.92 = 18,310.70/x
  3. Step 3: Cross multiply
    31,735.11x = 43,792.92 × 18,310.70
  4. Step 4: Simplify right side
    31,735.11x = 801,878,801.28
  5. Step 5: Solve for x
    x = 801,878,801.28/31,735.11
  6. Step 6: Final answer
    x = 25,267.88

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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.