Home / 33,227.59-45,855.17-18,121.07

Finding the Fourth Proportional to 33,227.59, 45,855.17 and 18,121.07

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Solution

The fourth proportional to 33,227.59, 45,855.17 and 18,121.07 is: 25,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,227.59 : 45,855.17 = 18,121.07 : x
  2. Step 2: Convert to fraction form
    33,227.59/45,855.17 = 18,121.07/x
  3. Step 3: Cross multiply
    33,227.59x = 45,855.17 × 18,121.07
  4. Step 4: Simplify right side
    33,227.59x = 830,944,745.43
  5. Step 5: Solve for x
    x = 830,944,745.43/33,227.59
  6. Step 6: Final answer
    x = 25,007.68

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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.