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Finding the Fourth Proportional to 33,859.98, 50,786.73 and 11,670.30

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Solution

The fourth proportional to 33,859.98, 50,786.73 and 11,670.30 is: 17,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,859.98 : 50,786.73 = 11,670.30 : x
  2. Step 2: Convert to fraction form
    33,859.98/50,786.73 = 11,670.30/x
  3. Step 3: Cross multiply
    33,859.98x = 50,786.73 × 11,670.30
  4. Step 4: Simplify right side
    33,859.98x = 592,696,375.12
  5. Step 5: Solve for x
    x = 592,696,375.12/33,859.98
  6. Step 6: Final answer
    x = 17,504.33

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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.