Home / 49,623.60-74,453.16-21,174.96

Finding the Fourth Proportional to 49,623.60, 74,453.16 and 21,174.96

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Solution

The fourth proportional to 49,623.60, 74,453.16 and 21,174.96 is: 31,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,623.60 : 74,453.16 = 21,174.96 : x
  2. Step 2: Convert to fraction form
    49,623.60/74,453.16 = 21,174.96/x
  3. Step 3: Cross multiply
    49,623.60x = 74,453.16 × 21,174.96
  4. Step 4: Simplify right side
    49,623.60x = 1,576,542,684.87
  5. Step 5: Solve for x
    x = 1,576,542,684.87/49,623.60
  6. Step 6: Final answer
    x = 31,770.02

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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.