Home / 49,836.62-74,740.26-18,664.58

Finding the Fourth Proportional to 49,836.62, 74,740.26 and 18,664.58

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Solution

The fourth proportional to 49,836.62, 74,740.26 and 18,664.58 is: 27,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,836.62 : 74,740.26 = 18,664.58 : x
  2. Step 2: Convert to fraction form
    49,836.62/74,740.26 = 18,664.58/x
  3. Step 3: Cross multiply
    49,836.62x = 74,740.26 × 18,664.58
  4. Step 4: Simplify right side
    49,836.62x = 1,394,995,561.99
  5. Step 5: Solve for x
    x = 1,394,995,561.99/49,836.62
  6. Step 6: Final answer
    x = 27,991.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.