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Finding the Fourth Proportional to 48,648.57, 67,100.19 and 31,621.05

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Solution

The fourth proportional to 48,648.57, 67,100.19 and 31,621.05 is: 43,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.57 : 67,100.19 = 31,621.05 : x
  2. Step 2: Convert to fraction form
    48,648.57/67,100.19 = 31,621.05/x
  3. Step 3: Cross multiply
    48,648.57x = 67,100.19 × 31,621.05
  4. Step 4: Simplify right side
    48,648.57x = 2,121,778,463.00
  5. Step 5: Solve for x
    x = 2,121,778,463.00/48,648.57
  6. Step 6: Final answer
    x = 43,614.41

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