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Finding the Fourth Proportional to 30,790.94, 46,167.90 and 12,048.62

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Solution

The fourth proportional to 30,790.94, 46,167.90 and 12,048.62 is: 18,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.94 : 46,167.90 = 12,048.62 : x
  2. Step 2: Convert to fraction form
    30,790.94/46,167.90 = 12,048.62/x
  3. Step 3: Cross multiply
    30,790.94x = 46,167.90 × 12,048.62
  4. Step 4: Simplify right side
    30,790.94x = 556,259,483.30
  5. Step 5: Solve for x
    x = 556,259,483.30/30,790.94
  6. Step 6: Final answer
    x = 18,065.69

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