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Finding the Fourth Proportional to 30,451.71, 45,700.65 and 12,933.84

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Solution

The fourth proportional to 30,451.71, 45,700.65 and 12,933.84 is: 19,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,451.71 : 45,700.65 = 12,933.84 : x
  2. Step 2: Convert to fraction form
    30,451.71/45,700.65 = 12,933.84/x
  3. Step 3: Cross multiply
    30,451.71x = 45,700.65 × 12,933.84
  4. Step 4: Simplify right side
    30,451.71x = 591,084,895.00
  5. Step 5: Solve for x
    x = 591,084,895.00/30,451.71
  6. Step 6: Final answer
    x = 19,410.56

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