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Finding the Fourth Proportional to 48,753.81, 73,138.44 and 18,766.98

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Solution

The fourth proportional to 48,753.81, 73,138.44 and 18,766.98 is: 28,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.81 : 73,138.44 = 18,766.98 : x
  2. Step 2: Convert to fraction form
    48,753.81/73,138.44 = 18,766.98/x
  3. Step 3: Cross multiply
    48,753.81x = 73,138.44 × 18,766.98
  4. Step 4: Simplify right side
    48,753.81x = 1,372,587,640.71
  5. Step 5: Solve for x
    x = 1,372,587,640.71/48,753.81
  6. Step 6: Final answer
    x = 28,153.44

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