Home / 33,021.52-45,568.90-18,286.97

Finding the Fourth Proportional to 33,021.52, 45,568.90 and 18,286.97

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Solution

The fourth proportional to 33,021.52, 45,568.90 and 18,286.97 is: 25,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.52 : 45,568.90 = 18,286.97 : x
  2. Step 2: Convert to fraction form
    33,021.52/45,568.90 = 18,286.97/x
  3. Step 3: Cross multiply
    33,021.52x = 45,568.90 × 18,286.97
  4. Step 4: Simplify right side
    33,021.52x = 833,317,107.23
  5. Step 5: Solve for x
    x = 833,317,107.23/33,021.52
  6. Step 6: Final answer
    x = 25,235.58

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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.