Home / 33,285-45,933.30-18,381.96

Finding the Fourth Proportional to 33,285, 45,933.30 and 18,381.96

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Solution

The fourth proportional to 33,285, 45,933.30 and 18,381.96 is: 25,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285 : 45,933.30 = 18,381.96 : x
  2. Step 2: Convert to fraction form
    33,285/45,933.30 = 18,381.96/x
  3. Step 3: Cross multiply
    33,285x = 45,933.30 × 18,381.96
  4. Step 4: Simplify right side
    33,285x = 844,344,083.27
  5. Step 5: Solve for x
    x = 844,344,083.27/33,285
  6. Step 6: Final answer
    x = 25,367.10

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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.