Home / 49,472.46-74,190.31-21,396.54

Finding the Fourth Proportional to 49,472.46, 74,190.31 and 21,396.54

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Solution

The fourth proportional to 49,472.46, 74,190.31 and 21,396.54 is: 32,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472.46 : 74,190.31 = 21,396.54 : x
  2. Step 2: Convert to fraction form
    49,472.46/74,190.31 = 21,396.54/x
  3. Step 3: Cross multiply
    49,472.46x = 74,190.31 × 21,396.54
  4. Step 4: Simplify right side
    49,472.46x = 1,587,415,935.53
  5. Step 5: Solve for x
    x = 1,587,415,935.53/49,472.46
  6. Step 6: Final answer
    x = 32,086.86

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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.