Home / 49,400.84-74,115.13-19,839.43

Finding the Fourth Proportional to 49,400.84, 74,115.13 and 19,839.43

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Solution

The fourth proportional to 49,400.84, 74,115.13 and 19,839.43 is: 29,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.84 : 74,115.13 = 19,839.43 : x
  2. Step 2: Convert to fraction form
    49,400.84/74,115.13 = 19,839.43/x
  3. Step 3: Cross multiply
    49,400.84x = 74,115.13 × 19,839.43
  4. Step 4: Simplify right side
    49,400.84x = 1,470,401,933.58
  5. Step 5: Solve for x
    x = 1,470,401,933.58/49,400.84
  6. Step 6: Final answer
    x = 29,764.72

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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.