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Finding the Fourth Proportional to 53,967.21, 80,904.64 and 20,711.14

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Solution

The fourth proportional to 53,967.21, 80,904.64 and 20,711.14 is: 31,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,967.21 : 80,904.64 = 20,711.14 : x
  2. Step 2: Convert to fraction form
    53,967.21/80,904.64 = 20,711.14/x
  3. Step 3: Cross multiply
    53,967.21x = 80,904.64 × 20,711.14
  4. Step 4: Simplify right side
    53,967.21x = 1,675,627,325.69
  5. Step 5: Solve for x
    x = 1,675,627,325.69/53,967.21
  6. Step 6: Final answer
    x = 31,048.99

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