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Finding the Fourth Proportional to 54,391.58, 75,060.16 and 30,518.33

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Solution

The fourth proportional to 54,391.58, 75,060.16 and 30,518.33 is: 42,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.58 : 75,060.16 = 30,518.33 : x
  2. Step 2: Convert to fraction form
    54,391.58/75,060.16 = 30,518.33/x
  3. Step 3: Cross multiply
    54,391.58x = 75,060.16 × 30,518.33
  4. Step 4: Simplify right side
    54,391.58x = 2,290,710,844.09
  5. Step 5: Solve for x
    x = 2,290,710,844.09/54,391.58
  6. Step 6: Final answer
    x = 42,115.18

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