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Finding the Fourth Proportional to 54,917.36, 82,389.72 and 25,355.76

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Solution

The fourth proportional to 54,917.36, 82,389.72 and 25,355.76 is: 38,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.36 : 82,389.72 = 25,355.76 : x
  2. Step 2: Convert to fraction form
    54,917.36/82,389.72 = 25,355.76/x
  3. Step 3: Cross multiply
    54,917.36x = 82,389.72 × 25,355.76
  4. Step 4: Simplify right side
    54,917.36x = 2,089,053,966.79
  5. Step 5: Solve for x
    x = 2,089,053,966.79/54,917.36
  6. Step 6: Final answer
    x = 38,039.96

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