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Finding the Fourth Proportional to 54,245.60, 81,416.40 and 32,031.20

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Solution

The fourth proportional to 54,245.60, 81,416.40 and 32,031.20 is: 48,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.60 : 81,416.40 = 32,031.20 : x
  2. Step 2: Convert to fraction form
    54,245.60/81,416.40 = 32,031.20/x
  3. Step 3: Cross multiply
    54,245.60x = 81,416.40 × 32,031.20
  4. Step 4: Simplify right side
    54,245.60x = 2,607,864,991.68
  5. Step 5: Solve for x
    x = 2,607,864,991.68/54,245.60
  6. Step 6: Final answer
    x = 48,075.14

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