Home / 49,579.54-74,382.11-21,493.06

Finding the Fourth Proportional to 49,579.54, 74,382.11 and 21,493.06

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Solution

The fourth proportional to 49,579.54, 74,382.11 and 21,493.06 is: 32,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.54 : 74,382.11 = 21,493.06 : x
  2. Step 2: Convert to fraction form
    49,579.54/74,382.11 = 21,493.06/x
  3. Step 3: Cross multiply
    49,579.54x = 74,382.11 × 21,493.06
  4. Step 4: Simplify right side
    49,579.54x = 1,598,699,153.16
  5. Step 5: Solve for x
    x = 1,598,699,153.16/49,579.54
  6. Step 6: Final answer
    x = 32,245.14

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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.