Home / 36,240.72-54,352.08-20,452.68

Finding the Fourth Proportional to 36,240.72, 54,352.08 and 20,452.68

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Solution

The fourth proportional to 36,240.72, 54,352.08 and 20,452.68 is: 30,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.72 : 54,352.08 = 20,452.68 : x
  2. Step 2: Convert to fraction form
    36,240.72/54,352.08 = 20,452.68/x
  3. Step 3: Cross multiply
    36,240.72x = 54,352.08 × 20,452.68
  4. Step 4: Simplify right side
    36,240.72x = 1,111,645,699.57
  5. Step 5: Solve for x
    x = 1,111,645,699.57/36,240.72
  6. Step 6: Final answer
    x = 30,673.94

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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.