Home / 54,330.10-81,385.80-30,929.20

Finding the Fourth Proportional to 54,330.10, 81,385.80 and 30,929.20

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Solution

The fourth proportional to 54,330.10, 81,385.80 and 30,929.20 is: 46,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.10 : 81,385.80 = 30,929.20 : x
  2. Step 2: Convert to fraction form
    54,330.10/81,385.80 = 30,929.20/x
  3. Step 3: Cross multiply
    54,330.10x = 81,385.80 × 30,929.20
  4. Step 4: Simplify right side
    54,330.10x = 2,517,197,685.36
  5. Step 5: Solve for x
    x = 2,517,197,685.36/54,330.10
  6. Step 6: Final answer
    x = 46,331.55

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