Home / 22,578.87-33,834.27-20,118.09

Finding the Fourth Proportional to 22,578.87, 33,834.27 and 20,118.09

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Solution

The fourth proportional to 22,578.87, 33,834.27 and 20,118.09 is: 30,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.87 : 33,834.27 = 20,118.09 : x
  2. Step 2: Convert to fraction form
    22,578.87/33,834.27 = 20,118.09/x
  3. Step 3: Cross multiply
    22,578.87x = 33,834.27 × 20,118.09
  4. Step 4: Simplify right side
    22,578.87x = 680,680,888.94
  5. Step 5: Solve for x
    x = 680,680,888.94/22,578.87
  6. Step 6: Final answer
    x = 30,146.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.