Home / 57,181.14-78,912.47-31,687.45

Finding the Fourth Proportional to 57,181.14, 78,912.47 and 31,687.45

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Solution

The fourth proportional to 57,181.14, 78,912.47 and 31,687.45 is: 43,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,181.14 : 78,912.47 = 31,687.45 : x
  2. Step 2: Convert to fraction form
    57,181.14/78,912.47 = 31,687.45/x
  3. Step 3: Cross multiply
    57,181.14x = 78,912.47 × 31,687.45
  4. Step 4: Simplify right side
    57,181.14x = 2,500,534,829.44
  5. Step 5: Solve for x
    x = 2,500,534,829.44/57,181.14
  6. Step 6: Final answer
    x = 43,730.06

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