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Finding the Fourth Proportional to 53,654.91, 74,047.23 and 30,994.85

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Solution

The fourth proportional to 53,654.91, 74,047.23 and 30,994.85 is: 42,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.91 : 74,047.23 = 30,994.85 : x
  2. Step 2: Convert to fraction form
    53,654.91/74,047.23 = 30,994.85/x
  3. Step 3: Cross multiply
    53,654.91x = 74,047.23 × 30,994.85
  4. Step 4: Simplify right side
    53,654.91x = 2,295,082,971.88
  5. Step 5: Solve for x
    x = 2,295,082,971.88/53,654.91
  6. Step 6: Final answer
    x = 42,774.89

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