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Finding the Fourth Proportional to 73,954, 110,931 and 18,550

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Solution

The fourth proportional to 73,954, 110,931 and 18,550 is: 27,825

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,954 : 110,931 = 18,550 : x
  2. Step 2: Convert to fraction form
    73,954/110,931 = 18,550/x
  3. Step 3: Cross multiply
    73,954x = 110,931 × 18,550
  4. Step 4: Simplify right side
    73,954x = 2,057,770,050
  5. Step 5: Solve for x
    x = 2,057,770,050/73,954
  6. Step 6: Final answer
    x = 27,825

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.