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Finding the Fourth Proportional to 55,022.81, 75,931.49 and 29,872.31

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Solution

The fourth proportional to 55,022.81, 75,931.49 and 29,872.31 is: 41,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.81 : 75,931.49 = 29,872.31 : x
  2. Step 2: Convert to fraction form
    55,022.81/75,931.49 = 29,872.31/x
  3. Step 3: Cross multiply
    55,022.81x = 75,931.49 × 29,872.31
  4. Step 4: Simplify right side
    55,022.81x = 2,268,249,048.51
  5. Step 5: Solve for x
    x = 2,268,249,048.51/55,022.81
  6. Step 6: Final answer
    x = 41,223.79

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