Home / 40,104.62-55,345.68-23,107.55

Finding the Fourth Proportional to 40,104.62, 55,345.68 and 23,107.55

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Solution

The fourth proportional to 40,104.62, 55,345.68 and 23,107.55 is: 31,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.62 : 55,345.68 = 23,107.55 : x
  2. Step 2: Convert to fraction form
    40,104.62/55,345.68 = 23,107.55/x
  3. Step 3: Cross multiply
    40,104.62x = 55,345.68 × 23,107.55
  4. Step 4: Simplify right side
    40,104.62x = 1,278,902,791.16
  5. Step 5: Solve for x
    x = 1,278,902,791.16/40,104.62
  6. Step 6: Final answer
    x = 31,889.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.