Home / 49,974.78-68,968.22-28,753.59

Finding the Fourth Proportional to 49,974.78, 68,968.22 and 28,753.59

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Solution

The fourth proportional to 49,974.78, 68,968.22 and 28,753.59 is: 39,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.78 : 68,968.22 = 28,753.59 : x
  2. Step 2: Convert to fraction form
    49,974.78/68,968.22 = 28,753.59/x
  3. Step 3: Cross multiply
    49,974.78x = 68,968.22 × 28,753.59
  4. Step 4: Simplify right side
    49,974.78x = 1,983,083,777.14
  5. Step 5: Solve for x
    x = 1,983,083,777.14/49,974.78
  6. Step 6: Final answer
    x = 39,681.69

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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.