Home / 48,912.60-67,515.42-28,768.44

Finding the Fourth Proportional to 48,912.60, 67,515.42 and 28,768.44

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Solution

The fourth proportional to 48,912.60, 67,515.42 and 28,768.44 is: 39,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,912.60 : 67,515.42 = 28,768.44 : x
  2. Step 2: Convert to fraction form
    48,912.60/67,515.42 = 28,768.44/x
  3. Step 3: Cross multiply
    48,912.60x = 67,515.42 × 28,768.44
  4. Step 4: Simplify right side
    48,912.60x = 1,942,313,309.34
  5. Step 5: Solve for x
    x = 1,942,313,309.34/48,912.60
  6. Step 6: Final answer
    x = 39,709.88

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1.5x scale

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.