Home / 33,988.92-50,971.84-12,923.88

Finding the Fourth Proportional to 33,988.92, 50,971.84 and 12,923.88

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Solution

The fourth proportional to 33,988.92, 50,971.84 and 12,923.88 is: 19,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.92 : 50,971.84 = 12,923.88 : x
  2. Step 2: Convert to fraction form
    33,988.92/50,971.84 = 12,923.88/x
  3. Step 3: Cross multiply
    33,988.92x = 50,971.84 × 12,923.88
  4. Step 4: Simplify right side
    33,988.92x = 658,753,943.54
  5. Step 5: Solve for x
    x = 658,753,943.54/33,988.92
  6. Step 6: Final answer
    x = 19,381.43

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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.