Home / 48,912.28-67,494.72-28,491.16

Finding the Fourth Proportional to 48,912.28, 67,494.72 and 28,491.16

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Solution

The fourth proportional to 48,912.28, 67,494.72 and 28,491.16 is: 39,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912.28 : 67,494.72 = 28,491.16 : x
  2. Step 2: Convert to fraction form
    48,912.28/67,494.72 = 28,491.16/x
  3. Step 3: Cross multiply
    48,912.28x = 67,494.72 × 28,491.16
  4. Step 4: Simplify right side
    48,912.28x = 1,923,002,866.68
  5. Step 5: Solve for x
    x = 1,923,002,866.68/48,912.28
  6. Step 6: Final answer
    x = 39,315.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.