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Finding the Fourth Proportional to 33,388.61, 50,010.12 and 16,719.56

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Solution

The fourth proportional to 33,388.61, 50,010.12 and 16,719.56 is: 25,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,388.61 : 50,010.12 = 16,719.56 : x
  2. Step 2: Convert to fraction form
    33,388.61/50,010.12 = 16,719.56/x
  3. Step 3: Cross multiply
    33,388.61x = 50,010.12 × 16,719.56
  4. Step 4: Simplify right side
    33,388.61x = 836,147,201.95
  5. Step 5: Solve for x
    x = 836,147,201.95/33,388.61
  6. Step 6: Final answer
    x = 25,042.89

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1.5x scale

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.