Home / 33,228.78-45,854.68-18,890.17

Finding the Fourth Proportional to 33,228.78, 45,854.68 and 18,890.17

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Solution

The fourth proportional to 33,228.78, 45,854.68 and 18,890.17 is: 26,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,228.78 : 45,854.68 = 18,890.17 : x
  2. Step 2: Convert to fraction form
    33,228.78/45,854.68 = 18,890.17/x
  3. Step 3: Cross multiply
    33,228.78x = 45,854.68 × 18,890.17
  4. Step 4: Simplify right side
    33,228.78x = 866,202,724.11
  5. Step 5: Solve for x
    x = 866,202,724.11/33,228.78
  6. Step 6: Final answer
    x = 26,067.85

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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.