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Finding the Fourth Proportional to 35,984.57, 53,983.00 and 12,290.81

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Solution

The fourth proportional to 35,984.57, 53,983.00 and 12,290.81 is: 18,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,984.57 : 53,983.00 = 12,290.81 : x
  2. Step 2: Convert to fraction form
    35,984.57/53,983.00 = 12,290.81/x
  3. Step 3: Cross multiply
    35,984.57x = 53,983.00 × 12,290.81
  4. Step 4: Simplify right side
    35,984.57x = 663,494,961.91
  5. Step 5: Solve for x
    x = 663,494,961.91/35,984.57
  6. Step 6: Final answer
    x = 18,438.32

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