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Finding the Fourth Proportional to 48,727, 67,243.67 and 26,371

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Solution

The fourth proportional to 48,727, 67,243.67 and 26,371 is: 36,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727 : 67,243.67 = 26,371 : x
  2. Step 2: Convert to fraction form
    48,727/67,243.67 = 26,371/x
  3. Step 3: Cross multiply
    48,727x = 67,243.67 × 26,371
  4. Step 4: Simplify right side
    48,727x = 1,773,282,821.57
  5. Step 5: Solve for x
    x = 1,773,282,821.57/48,727
  6. Step 6: Final answer
    x = 36,392.20

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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.