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Finding the Fourth Proportional to 54,648.07, 75,417.55 and 33,431.40

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Solution

The fourth proportional to 54,648.07, 75,417.55 and 33,431.40 is: 46,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.07 : 75,417.55 = 33,431.40 : x
  2. Step 2: Convert to fraction form
    54,648.07/75,417.55 = 33,431.40/x
  3. Step 3: Cross multiply
    54,648.07x = 75,417.55 × 33,431.40
  4. Step 4: Simplify right side
    54,648.07x = 2,521,314,197.49
  5. Step 5: Solve for x
    x = 2,521,314,197.49/54,648.07
  6. Step 6: Final answer
    x = 46,137.30

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