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Finding the Fourth Proportional to 48,666.80, 73,000.20 and 13,606.40

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Solution

The fourth proportional to 48,666.80, 73,000.20 and 13,606.40 is: 20,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,666.80 : 73,000.20 = 13,606.40 : x
  2. Step 2: Convert to fraction form
    48,666.80/73,000.20 = 13,606.40/x
  3. Step 3: Cross multiply
    48,666.80x = 73,000.20 × 13,606.40
  4. Step 4: Simplify right side
    48,666.80x = 993,269,921.28
  5. Step 5: Solve for x
    x = 993,269,921.28/48,666.80
  6. Step 6: Final answer
    x = 20,409.60

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