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Finding the Fourth Proportional to 35,378.43, 53,055.32 and 11,680.91

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Solution

The fourth proportional to 35,378.43, 53,055.32 and 11,680.91 is: 17,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.43 : 53,055.32 = 11,680.91 : x
  2. Step 2: Convert to fraction form
    35,378.43/53,055.32 = 11,680.91/x
  3. Step 3: Cross multiply
    35,378.43x = 53,055.32 × 11,680.91
  4. Step 4: Simplify right side
    35,378.43x = 619,734,417.94
  5. Step 5: Solve for x
    x = 619,734,417.94/35,378.43
  6. Step 6: Final answer
    x = 17,517.30

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