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Finding the Fourth Proportional to 30,493.96, 45,719.34 and 11,758.12

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Solution

The fourth proportional to 30,493.96, 45,719.34 and 11,758.12 is: 17,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,493.96 : 45,719.34 = 11,758.12 : x
  2. Step 2: Convert to fraction form
    30,493.96/45,719.34 = 11,758.12/x
  3. Step 3: Cross multiply
    30,493.96x = 45,719.34 × 11,758.12
  4. Step 4: Simplify right side
    30,493.96x = 537,573,486.04
  5. Step 5: Solve for x
    x = 537,573,486.04/30,493.96
  6. Step 6: Final answer
    x = 17,628.85

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