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Finding the Fourth Proportional to 48,581.10, 72,871.67 and 18,978.18

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Solution

The fourth proportional to 48,581.10, 72,871.67 and 18,978.18 is: 28,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.10 : 72,871.67 = 18,978.18 : x
  2. Step 2: Convert to fraction form
    48,581.10/72,871.67 = 18,978.18/x
  3. Step 3: Cross multiply
    48,581.10x = 72,871.67 × 18,978.18
  4. Step 4: Simplify right side
    48,581.10x = 1,382,971,575.27
  5. Step 5: Solve for x
    x = 1,382,971,575.27/48,581.10
  6. Step 6: Final answer
    x = 28,467.28

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