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Finding the Fourth Proportional to 37,978.45, 52,410.03 and 20,983.84

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Solution

The fourth proportional to 37,978.45, 52,410.03 and 20,983.84 is: 28,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,978.45 : 52,410.03 = 20,983.84 : x
  2. Step 2: Convert to fraction form
    37,978.45/52,410.03 = 20,983.84/x
  3. Step 3: Cross multiply
    37,978.45x = 52,410.03 × 20,983.84
  4. Step 4: Simplify right side
    37,978.45x = 1,099,763,683.92
  5. Step 5: Solve for x
    x = 1,099,763,683.92/37,978.45
  6. Step 6: Final answer
    x = 28,957.57

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