Home / 39,943.94-55,109.75-26,517.78

Finding the Fourth Proportional to 39,943.94, 55,109.75 and 26,517.78

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Solution

The fourth proportional to 39,943.94, 55,109.75 and 26,517.78 is: 36,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.94 : 55,109.75 = 26,517.78 : x
  2. Step 2: Convert to fraction form
    39,943.94/55,109.75 = 26,517.78/x
  3. Step 3: Cross multiply
    39,943.94x = 55,109.75 × 26,517.78
  4. Step 4: Simplify right side
    39,943.94x = 1,461,388,093.77
  5. Step 5: Solve for x
    x = 1,461,388,093.77/39,943.94
  6. Step 6: Final answer
    x = 36,585.98

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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.