Home / 31,616.87-43,630.76-17,276.39

Finding the Fourth Proportional to 31,616.87, 43,630.76 and 17,276.39

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Solution

The fourth proportional to 31,616.87, 43,630.76 and 17,276.39 is: 23,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.87 : 43,630.76 = 17,276.39 : x
  2. Step 2: Convert to fraction form
    31,616.87/43,630.76 = 17,276.39/x
  3. Step 3: Cross multiply
    31,616.87x = 43,630.76 × 17,276.39
  4. Step 4: Simplify right side
    31,616.87x = 753,781,721.22
  5. Step 5: Solve for x
    x = 753,781,721.22/31,616.87
  6. Step 6: Final answer
    x = 23,841.13

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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.