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Finding the Fourth Proportional to 67,230.65, 100,862.45 and 20,483.52

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Solution

The fourth proportional to 67,230.65, 100,862.45 and 20,483.52 is: 30,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.65 : 100,862.45 = 20,483.52 : x
  2. Step 2: Convert to fraction form
    67,230.65/100,862.45 = 20,483.52/x
  3. Step 3: Cross multiply
    67,230.65x = 100,862.45 × 20,483.52
  4. Step 4: Simplify right side
    67,230.65x = 2,066,017,909.41
  5. Step 5: Solve for x
    x = 2,066,017,909.41/67,230.65
  6. Step 6: Final answer
    x = 30,730.30

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