Home / 53,584.38-80,372.37-20,301.42

Finding the Fourth Proportional to 53,584.38, 80,372.37 and 20,301.42

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Solution

The fourth proportional to 53,584.38, 80,372.37 and 20,301.42 is: 30,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,584.38 : 80,372.37 = 20,301.42 : x
  2. Step 2: Convert to fraction form
    53,584.38/80,372.37 = 20,301.42/x
  3. Step 3: Cross multiply
    53,584.38x = 80,372.37 × 20,301.42
  4. Step 4: Simplify right side
    53,584.38x = 1,631,673,239.77
  5. Step 5: Solve for x
    x = 1,631,673,239.77/53,584.38
  6. Step 6: Final answer
    x = 30,450.54

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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.