Home / 31,616.18-43,629.80-17,469.62

Finding the Fourth Proportional to 31,616.18, 43,629.80 and 17,469.62

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Solution

The fourth proportional to 31,616.18, 43,629.80 and 17,469.62 is: 24,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.18 : 43,629.80 = 17,469.62 : x
  2. Step 2: Convert to fraction form
    31,616.18/43,629.80 = 17,469.62/x
  3. Step 3: Cross multiply
    31,616.18x = 43,629.80 × 17,469.62
  4. Step 4: Simplify right side
    31,616.18x = 762,196,026.68
  5. Step 5: Solve for x
    x = 762,196,026.68/31,616.18
  6. Step 6: Final answer
    x = 24,107.78

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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.