Home / 49,696.20-74,544.48-18,531

Finding the Fourth Proportional to 49,696.20, 74,544.48 and 18,531

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Solution

The fourth proportional to 49,696.20, 74,544.48 and 18,531 is: 27,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,696.20 : 74,544.48 = 18,531 : x
  2. Step 2: Convert to fraction form
    49,696.20/74,544.48 = 18,531/x
  3. Step 3: Cross multiply
    49,696.20x = 74,544.48 × 18,531
  4. Step 4: Simplify right side
    49,696.20x = 1,381,383,758.88
  5. Step 5: Solve for x
    x = 1,381,383,758.88/49,696.20
  6. Step 6: Final answer
    x = 27,796.57

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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.