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Finding the Fourth Proportional to 48,830.40, 73,245.60 and 21,182.40

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Solution

The fourth proportional to 48,830.40, 73,245.60 and 21,182.40 is: 31,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.40 : 73,245.60 = 21,182.40 : x
  2. Step 2: Convert to fraction form
    48,830.40/73,245.60 = 21,182.40/x
  3. Step 3: Cross multiply
    48,830.40x = 73,245.60 × 21,182.40
  4. Step 4: Simplify right side
    48,830.40x = 1,551,517,597.44
  5. Step 5: Solve for x
    x = 1,551,517,597.44/48,830.40
  6. Step 6: Final answer
    x = 31,773.60

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