Home / 47,536.39-71,299.18-12,478.78

Finding the Fourth Proportional to 47,536.39, 71,299.18 and 12,478.78

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Solution

The fourth proportional to 47,536.39, 71,299.18 and 12,478.78 is: 18,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,536.39 : 71,299.18 = 12,478.78 : x
  2. Step 2: Convert to fraction form
    47,536.39/71,299.18 = 12,478.78/x
  3. Step 3: Cross multiply
    47,536.39x = 71,299.18 × 12,478.78
  4. Step 4: Simplify right side
    47,536.39x = 889,726,781.40
  5. Step 5: Solve for x
    x = 889,726,781.40/47,536.39
  6. Step 6: Final answer
    x = 18,716.75

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