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Finding the Fourth Proportional to 53,950.71, 74,452.30 and 30,078.90

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Solution

The fourth proportional to 53,950.71, 74,452.30 and 30,078.90 is: 41,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,950.71 : 74,452.30 = 30,078.90 : x
  2. Step 2: Convert to fraction form
    53,950.71/74,452.30 = 30,078.90/x
  3. Step 3: Cross multiply
    53,950.71x = 74,452.30 × 30,078.90
  4. Step 4: Simplify right side
    53,950.71x = 2,239,443,286.47
  5. Step 5: Solve for x
    x = 2,239,443,286.47/53,950.71
  6. Step 6: Final answer
    x = 41,509.06

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