Home / 39,517.84-54,539.58-25,917.31

Finding the Fourth Proportional to 39,517.84, 54,539.58 and 25,917.31

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Solution

The fourth proportional to 39,517.84, 54,539.58 and 25,917.31 is: 35,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.84 : 54,539.58 = 25,917.31 : x
  2. Step 2: Convert to fraction form
    39,517.84/54,539.58 = 25,917.31/x
  3. Step 3: Cross multiply
    39,517.84x = 54,539.58 × 25,917.31
  4. Step 4: Simplify right side
    39,517.84x = 1,413,519,367.49
  5. Step 5: Solve for x
    x = 1,413,519,367.49/39,517.84
  6. Step 6: Final answer
    x = 35,769.14

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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.