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Finding the Fourth Proportional to 36,607, 50,517.66 and 19,840

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Solution

The fourth proportional to 36,607, 50,517.66 and 19,840 is: 27,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607 : 50,517.66 = 19,840 : x
  2. Step 2: Convert to fraction form
    36,607/50,517.66 = 19,840/x
  3. Step 3: Cross multiply
    36,607x = 50,517.66 × 19,840
  4. Step 4: Simplify right side
    36,607x = 1,002,270,374.40
  5. Step 5: Solve for x
    x = 1,002,270,374.40/36,607
  6. Step 6: Final answer
    x = 27,379.20

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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.