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Finding the Fourth Proportional to 45,327.60, 67,994.40 and 12,047.20

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Solution

The fourth proportional to 45,327.60, 67,994.40 and 12,047.20 is: 18,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.60 : 67,994.40 = 12,047.20 : x
  2. Step 2: Convert to fraction form
    45,327.60/67,994.40 = 12,047.20/x
  3. Step 3: Cross multiply
    45,327.60x = 67,994.40 × 12,047.20
  4. Step 4: Simplify right side
    45,327.60x = 819,142,135.68
  5. Step 5: Solve for x
    x = 819,142,135.68/45,327.60
  6. Step 6: Final answer
    x = 18,071.60

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