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Finding the Fourth Proportional to 30,593.47, 45,890.20 and 10,872.80

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Solution

The fourth proportional to 30,593.47, 45,890.20 and 10,872.80 is: 16,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.47 : 45,890.20 = 10,872.80 : x
  2. Step 2: Convert to fraction form
    30,593.47/45,890.20 = 10,872.80/x
  3. Step 3: Cross multiply
    30,593.47x = 45,890.20 × 10,872.80
  4. Step 4: Simplify right side
    30,593.47x = 498,954,966.56
  5. Step 5: Solve for x
    x = 498,954,966.56/30,593.47
  6. Step 6: Final answer
    x = 16,309.20

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