Home / 27,621.50-41,449.29-12,040.34

Finding the Fourth Proportional to 27,621.50, 41,449.29 and 12,040.34

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Solution

The fourth proportional to 27,621.50, 41,449.29 and 12,040.34 is: 18,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.50 : 41,449.29 = 12,040.34 : x
  2. Step 2: Convert to fraction form
    27,621.50/41,449.29 = 12,040.34/x
  3. Step 3: Cross multiply
    27,621.50x = 41,449.29 × 12,040.34
  4. Step 4: Simplify right side
    27,621.50x = 499,063,544.36
  5. Step 5: Solve for x
    x = 499,063,544.36/27,621.50
  6. Step 6: Final answer
    x = 18,067.94

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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.