Home / 40,264.62-55,564.97-22,115.72

Finding the Fourth Proportional to 40,264.62, 55,564.97 and 22,115.72

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Solution

The fourth proportional to 40,264.62, 55,564.97 and 22,115.72 is: 30,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264.62 : 55,564.97 = 22,115.72 : x
  2. Step 2: Convert to fraction form
    40,264.62/55,564.97 = 22,115.72/x
  3. Step 3: Cross multiply
    40,264.62x = 55,564.97 × 22,115.72
  4. Step 4: Simplify right side
    40,264.62x = 1,228,858,929.92
  5. Step 5: Solve for x
    x = 1,228,858,929.92/40,264.62
  6. Step 6: Final answer
    x = 30,519.57

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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.