Home / 49,954.52-74,922.72-21,869.12

Finding the Fourth Proportional to 49,954.52, 74,922.72 and 21,869.12

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Solution

The fourth proportional to 49,954.52, 74,922.72 and 21,869.12 is: 32,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.52 : 74,922.72 = 21,869.12 : x
  2. Step 2: Convert to fraction form
    49,954.52/74,922.72 = 21,869.12/x
  3. Step 3: Cross multiply
    49,954.52x = 74,922.72 × 21,869.12
  4. Step 4: Simplify right side
    49,954.52x = 1,638,493,954.41
  5. Step 5: Solve for x
    x = 1,638,493,954.41/49,954.52
  6. Step 6: Final answer
    x = 32,799.71

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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.