Home / 38,629.94-57,953.96-11,974.54

Finding the Fourth Proportional to 38,629.94, 57,953.96 and 11,974.54

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Solution

The fourth proportional to 38,629.94, 57,953.96 and 11,974.54 is: 17,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.94 : 57,953.96 = 11,974.54 : x
  2. Step 2: Convert to fraction form
    38,629.94/57,953.96 = 11,974.54/x
  3. Step 3: Cross multiply
    38,629.94x = 57,953.96 × 11,974.54
  4. Step 4: Simplify right side
    38,629.94x = 693,972,012.18
  5. Step 5: Solve for x
    x = 693,972,012.18/38,629.94
  6. Step 6: Final answer
    x = 17,964.62

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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.