Home / 41,138.08-61,704.48-13,057.60

Finding the Fourth Proportional to 41,138.08, 61,704.48 and 13,057.60

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Solution

The fourth proportional to 41,138.08, 61,704.48 and 13,057.60 is: 19,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.08 : 61,704.48 = 13,057.60 : x
  2. Step 2: Convert to fraction form
    41,138.08/61,704.48 = 13,057.60/x
  3. Step 3: Cross multiply
    41,138.08x = 61,704.48 × 13,057.60
  4. Step 4: Simplify right side
    41,138.08x = 805,712,418.05
  5. Step 5: Solve for x
    x = 805,712,418.05/41,138.08
  6. Step 6: Final answer
    x = 19,585.56

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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.