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Finding the Fourth Proportional to 54,501.40, 81,752.10 and 37,912.60

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Solution

The fourth proportional to 54,501.40, 81,752.10 and 37,912.60 is: 56,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501.40 : 81,752.10 = 37,912.60 : x
  2. Step 2: Convert to fraction form
    54,501.40/81,752.10 = 37,912.60/x
  3. Step 3: Cross multiply
    54,501.40x = 81,752.10 × 37,912.60
  4. Step 4: Simplify right side
    54,501.40x = 3,099,434,666.46
  5. Step 5: Solve for x
    x = 3,099,434,666.46/54,501.40
  6. Step 6: Final answer
    x = 56,868.90

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