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Finding the Fourth Proportional to 36,646, 50,571.48 and 19,879

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Solution

The fourth proportional to 36,646, 50,571.48 and 19,879 is: 27,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646 : 50,571.48 = 19,879 : x
  2. Step 2: Convert to fraction form
    36,646/50,571.48 = 19,879/x
  3. Step 3: Cross multiply
    36,646x = 50,571.48 × 19,879
  4. Step 4: Simplify right side
    36,646x = 1,005,310,450.92
  5. Step 5: Solve for x
    x = 1,005,310,450.92/36,646
  6. Step 6: Final answer
    x = 27,433.02

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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.