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Finding the Fourth Proportional to 50,804.12, 70,112.20 and 30,660.68

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Solution

The fourth proportional to 50,804.12, 70,112.20 and 30,660.68 is: 42,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.12 : 70,112.20 = 30,660.68 : x
  2. Step 2: Convert to fraction form
    50,804.12/70,112.20 = 30,660.68/x
  3. Step 3: Cross multiply
    50,804.12x = 70,112.20 × 30,660.68
  4. Step 4: Simplify right side
    50,804.12x = 2,149,687,728.30
  5. Step 5: Solve for x
    x = 2,149,687,728.30/50,804.12
  6. Step 6: Final answer
    x = 42,313.26

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