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Finding the Fourth Proportional to 48,668.61, 67,156.58 and 28,520.87

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Solution

The fourth proportional to 48,668.61, 67,156.58 and 28,520.87 is: 39,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.61 : 67,156.58 = 28,520.87 : x
  2. Step 2: Convert to fraction form
    48,668.61/67,156.58 = 28,520.87/x
  3. Step 3: Cross multiply
    48,668.61x = 67,156.58 × 28,520.87
  4. Step 4: Simplify right side
    48,668.61x = 1,915,364,327.02
  5. Step 5: Solve for x
    x = 1,915,364,327.02/48,668.61
  6. Step 6: Final answer
    x = 39,355.23

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