Home / 49,837.32-74,755.98-20,255.04

Finding the Fourth Proportional to 49,837.32, 74,755.98 and 20,255.04

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Solution

The fourth proportional to 49,837.32, 74,755.98 and 20,255.04 is: 30,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,837.32 : 74,755.98 = 20,255.04 : x
  2. Step 2: Convert to fraction form
    49,837.32/74,755.98 = 20,255.04/x
  3. Step 3: Cross multiply
    49,837.32x = 74,755.98 × 20,255.04
  4. Step 4: Simplify right side
    49,837.32x = 1,514,185,365.14
  5. Step 5: Solve for x
    x = 1,514,185,365.14/49,837.32
  6. Step 6: Final answer
    x = 30,382.56

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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.