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Finding the Fourth Proportional to 30,772.16, 46,171.20 and 18,316.16

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Solution

The fourth proportional to 30,772.16, 46,171.20 and 18,316.16 is: 27,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.16 : 46,171.20 = 18,316.16 : x
  2. Step 2: Convert to fraction form
    30,772.16/46,171.20 = 18,316.16/x
  3. Step 3: Cross multiply
    30,772.16x = 46,171.20 × 18,316.16
  4. Step 4: Simplify right side
    30,772.16x = 845,679,086.59
  5. Step 5: Solve for x
    x = 845,679,086.59/30,772.16
  6. Step 6: Final answer
    x = 27,481.95

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