Home / 49,821.78-74,736.96-14,283.24

Finding the Fourth Proportional to 49,821.78, 74,736.96 and 14,283.24

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Solution

The fourth proportional to 49,821.78, 74,736.96 and 14,283.24 is: 21,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.78 : 74,736.96 = 14,283.24 : x
  2. Step 2: Convert to fraction form
    49,821.78/74,736.96 = 14,283.24/x
  3. Step 3: Cross multiply
    49,821.78x = 74,736.96 × 14,283.24
  4. Step 4: Simplify right side
    49,821.78x = 1,067,485,936.55
  5. Step 5: Solve for x
    x = 1,067,485,936.55/49,821.78
  6. Step 6: Final answer
    x = 21,426.09

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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.