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Finding the Fourth Proportional to 31,349.96, 47,037.18 and 13,807.46

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Solution

The fourth proportional to 31,349.96, 47,037.18 and 13,807.46 is: 20,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.96 : 47,037.18 = 13,807.46 : x
  2. Step 2: Convert to fraction form
    31,349.96/47,037.18 = 13,807.46/x
  3. Step 3: Cross multiply
    31,349.96x = 47,037.18 × 13,807.46
  4. Step 4: Simplify right side
    31,349.96x = 649,463,981.36
  5. Step 5: Solve for x
    x = 649,463,981.36/31,349.96
  6. Step 6: Final answer
    x = 20,716.58

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