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Finding the Fourth Proportional to 48,722, 67,236.42 and 26,366

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Solution

The fourth proportional to 48,722, 67,236.42 and 26,366 is: 36,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722 : 67,236.42 = 26,366 : x
  2. Step 2: Convert to fraction form
    48,722/67,236.42 = 26,366/x
  3. Step 3: Cross multiply
    48,722x = 67,236.42 × 26,366
  4. Step 4: Simplify right side
    48,722x = 1,772,755,449.72
  5. Step 5: Solve for x
    x = 1,772,755,449.72/48,722
  6. Step 6: Final answer
    x = 36,385.11

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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.