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Finding the Fourth Proportional to 70,613.75, 105,920.53 and 18,023.24

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Solution

The fourth proportional to 70,613.75, 105,920.53 and 18,023.24 is: 27,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.75 : 105,920.53 = 18,023.24 : x
  2. Step 2: Convert to fraction form
    70,613.75/105,920.53 = 18,023.24/x
  3. Step 3: Cross multiply
    70,613.75x = 105,920.53 × 18,023.24
  4. Step 4: Simplify right side
    70,613.75x = 1,909,031,133.12
  5. Step 5: Solve for x
    x = 1,909,031,133.12/70,613.75
  6. Step 6: Final answer
    x = 27,034.84

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