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Finding the Fourth Proportional to 35,966.62, 53,950.43 and 13,781.12

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Solution

The fourth proportional to 35,966.62, 53,950.43 and 13,781.12 is: 20,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.62 : 53,950.43 = 13,781.12 : x
  2. Step 2: Convert to fraction form
    35,966.62/53,950.43 = 13,781.12/x
  3. Step 3: Cross multiply
    35,966.62x = 53,950.43 × 13,781.12
  4. Step 4: Simplify right side
    35,966.62x = 743,497,349.88
  5. Step 5: Solve for x
    x = 743,497,349.88/35,966.62
  6. Step 6: Final answer
    x = 20,671.87

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