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Finding the Fourth Proportional to 30,953.97, 42,716.57 and 16,806.87

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Solution

The fourth proportional to 30,953.97, 42,716.57 and 16,806.87 is: 23,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.97 : 42,716.57 = 16,806.87 : x
  2. Step 2: Convert to fraction form
    30,953.97/42,716.57 = 16,806.87/x
  3. Step 3: Cross multiply
    30,953.97x = 42,716.57 × 16,806.87
  4. Step 4: Simplify right side
    30,953.97x = 717,931,754.80
  5. Step 5: Solve for x
    x = 717,931,754.80/30,953.97
  6. Step 6: Final answer
    x = 23,193.53

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