Home / 49,837.61-74,787.53-20,255.43

Finding the Fourth Proportional to 49,837.61, 74,787.53 and 20,255.43

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Solution

The fourth proportional to 49,837.61, 74,787.53 and 20,255.43 is: 30,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,837.61 : 74,787.53 = 20,255.43 : x
  2. Step 2: Convert to fraction form
    49,837.61/74,787.53 = 20,255.43/x
  3. Step 3: Cross multiply
    49,837.61x = 74,787.53 × 20,255.43
  4. Step 4: Simplify right side
    49,837.61x = 1,514,853,629.43
  5. Step 5: Solve for x
    x = 1,514,853,629.43/49,837.61
  6. Step 6: Final answer
    x = 30,395.80

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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.