Home / 31,616.20-43,630.68-17,276.44

Finding the Fourth Proportional to 31,616.20, 43,630.68 and 17,276.44

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Solution

The fourth proportional to 31,616.20, 43,630.68 and 17,276.44 is: 23,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.20 : 43,630.68 = 17,276.44 : x
  2. Step 2: Convert to fraction form
    31,616.20/43,630.68 = 17,276.44/x
  3. Step 3: Cross multiply
    31,616.20x = 43,630.68 × 17,276.44
  4. Step 4: Simplify right side
    31,616.20x = 753,782,825.18
  5. Step 5: Solve for x
    x = 753,782,825.18/31,616.20
  6. Step 6: Final answer
    x = 23,841.66

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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.