Home / 33,660.53-46,451.85-18,553.78

Finding the Fourth Proportional to 33,660.53, 46,451.85 and 18,553.78

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Solution

The fourth proportional to 33,660.53, 46,451.85 and 18,553.78 is: 25,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660.53 : 46,451.85 = 18,553.78 : x
  2. Step 2: Convert to fraction form
    33,660.53/46,451.85 = 18,553.78/x
  3. Step 3: Cross multiply
    33,660.53x = 46,451.85 × 18,553.78
  4. Step 4: Simplify right side
    33,660.53x = 861,857,289.36
  5. Step 5: Solve for x
    x = 861,857,289.36/33,660.53
  6. Step 6: Final answer
    x = 25,604.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.