Home / 45,815.44-68,680.87-31,782.08

Finding the Fourth Proportional to 45,815.44, 68,680.87 and 31,782.08

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Solution

The fourth proportional to 45,815.44, 68,680.87 and 31,782.08 is: 47,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.44 : 68,680.87 = 31,782.08 : x
  2. Step 2: Convert to fraction form
    45,815.44/68,680.87 = 31,782.08/x
  3. Step 3: Cross multiply
    45,815.44x = 68,680.87 × 31,782.08
  4. Step 4: Simplify right side
    45,815.44x = 2,182,820,904.81
  5. Step 5: Solve for x
    x = 2,182,820,904.81/45,815.44
  6. Step 6: Final answer
    x = 47,643.78

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