Home / 40,387.82-55,767.69-36,131.27

Finding the Fourth Proportional to 40,387.82, 55,767.69 and 36,131.27

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Solution

The fourth proportional to 40,387.82, 55,767.69 and 36,131.27 is: 49,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.82 : 55,767.69 = 36,131.27 : x
  2. Step 2: Convert to fraction form
    40,387.82/55,767.69 = 36,131.27/x
  3. Step 3: Cross multiply
    40,387.82x = 55,767.69 × 36,131.27
  4. Step 4: Simplify right side
    40,387.82x = 2,014,957,185.83
  5. Step 5: Solve for x
    x = 2,014,957,185.83/40,387.82
  6. Step 6: Final answer
    x = 49,890.23

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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.