Home / 49,531.20-74,299.23-19,945.04

Finding the Fourth Proportional to 49,531.20, 74,299.23 and 19,945.04

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Solution

The fourth proportional to 49,531.20, 74,299.23 and 19,945.04 is: 29,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531.20 : 74,299.23 = 19,945.04 : x
  2. Step 2: Convert to fraction form
    49,531.20/74,299.23 = 19,945.04/x
  3. Step 3: Cross multiply
    49,531.20x = 74,299.23 × 19,945.04
  4. Step 4: Simplify right side
    49,531.20x = 1,481,901,114.32
  5. Step 5: Solve for x
    x = 1,481,901,114.32/49,531.20
  6. Step 6: Final answer
    x = 29,918.54

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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.