Home / 40,089.87-55,369.71-27,321.03

Finding the Fourth Proportional to 40,089.87, 55,369.71 and 27,321.03

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Solution

The fourth proportional to 40,089.87, 55,369.71 and 27,321.03 is: 37,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.87 : 55,369.71 = 27,321.03 : x
  2. Step 2: Convert to fraction form
    40,089.87/55,369.71 = 27,321.03/x
  3. Step 3: Cross multiply
    40,089.87x = 55,369.71 × 27,321.03
  4. Step 4: Simplify right side
    40,089.87x = 1,512,757,508.00
  5. Step 5: Solve for x
    x = 1,512,757,508.00/40,089.87
  6. Step 6: Final answer
    x = 37,734.16

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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.