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Finding the Fourth Proportional to 31,800.64, 47,709.48 and 11,024.14

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Solution

The fourth proportional to 31,800.64, 47,709.48 and 11,024.14 is: 16,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.64 : 47,709.48 = 11,024.14 : x
  2. Step 2: Convert to fraction form
    31,800.64/47,709.48 = 11,024.14/x
  3. Step 3: Cross multiply
    31,800.64x = 47,709.48 × 11,024.14
  4. Step 4: Simplify right side
    31,800.64x = 525,955,986.85
  5. Step 5: Solve for x
    x = 525,955,986.85/31,800.64
  6. Step 6: Final answer
    x = 16,539.16

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