Home / 49,954.10-74,920.35-21,874.10

Finding the Fourth Proportional to 49,954.10, 74,920.35 and 21,874.10

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Solution

The fourth proportional to 49,954.10, 74,920.35 and 21,874.10 is: 32,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.10 : 74,920.35 = 21,874.10 : x
  2. Step 2: Convert to fraction form
    49,954.10/74,920.35 = 21,874.10/x
  3. Step 3: Cross multiply
    49,954.10x = 74,920.35 × 21,874.10
  4. Step 4: Simplify right side
    49,954.10x = 1,638,815,227.94
  5. Step 5: Solve for x
    x = 1,638,815,227.94/49,954.10
  6. Step 6: Final answer
    x = 32,806.42

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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.