Home / 33,711.23-50,553.70-12,639.79

Finding the Fourth Proportional to 33,711.23, 50,553.70 and 12,639.79

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Solution

The fourth proportional to 33,711.23, 50,553.70 and 12,639.79 is: 18,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,711.23 : 50,553.70 = 12,639.79 : x
  2. Step 2: Convert to fraction form
    33,711.23/50,553.70 = 12,639.79/x
  3. Step 3: Cross multiply
    33,711.23x = 50,553.70 × 12,639.79
  4. Step 4: Simplify right side
    33,711.23x = 638,987,993.74
  5. Step 5: Solve for x
    x = 638,987,993.74/33,711.23
  6. Step 6: Final answer
    x = 18,954.75

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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.