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Finding the Fourth Proportional to 33,388.68, 50,100.03 and 15,858.66

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Solution

The fourth proportional to 33,388.68, 50,100.03 and 15,858.66 is: 23,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,388.68 : 50,100.03 = 15,858.66 : x
  2. Step 2: Convert to fraction form
    33,388.68/50,100.03 = 15,858.66/x
  3. Step 3: Cross multiply
    33,388.68x = 50,100.03 × 15,858.66
  4. Step 4: Simplify right side
    33,388.68x = 794,519,341.76
  5. Step 5: Solve for x
    x = 794,519,341.76/33,388.68
  6. Step 6: Final answer
    x = 23,796.07

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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.