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Finding the Fourth Proportional to 37,115.31, 51,228.05 and 21,209.04

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Solution

The fourth proportional to 37,115.31, 51,228.05 and 21,209.04 is: 29,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.31 : 51,228.05 = 21,209.04 : x
  2. Step 2: Convert to fraction form
    37,115.31/51,228.05 = 21,209.04/x
  3. Step 3: Cross multiply
    37,115.31x = 51,228.05 × 21,209.04
  4. Step 4: Simplify right side
    37,115.31x = 1,086,497,655.53
  5. Step 5: Solve for x
    x = 1,086,497,655.53/37,115.31
  6. Step 6: Final answer
    x = 29,273.57

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