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Finding the Fourth Proportional to 54,978.64, 82,400.40 and 25,355.36

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Solution

The fourth proportional to 54,978.64, 82,400.40 and 25,355.36 is: 38,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978.64 : 82,400.40 = 25,355.36 : x
  2. Step 2: Convert to fraction form
    54,978.64/82,400.40 = 25,355.36/x
  3. Step 3: Cross multiply
    54,978.64x = 82,400.40 × 25,355.36
  4. Step 4: Simplify right side
    54,978.64x = 2,089,291,806.14
  5. Step 5: Solve for x
    x = 2,089,291,806.14/54,978.64
  6. Step 6: Final answer
    x = 38,001.88

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