Home / 31,507.32-43,453.62-18,929.64

Finding the Fourth Proportional to 31,507.32, 43,453.62 and 18,929.64

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Solution

The fourth proportional to 31,507.32, 43,453.62 and 18,929.64 is: 26,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.32 : 43,453.62 = 18,929.64 : x
  2. Step 2: Convert to fraction form
    31,507.32/43,453.62 = 18,929.64/x
  3. Step 3: Cross multiply
    31,507.32x = 43,453.62 × 18,929.64
  4. Step 4: Simplify right side
    31,507.32x = 822,561,383.30
  5. Step 5: Solve for x
    x = 822,561,383.30/31,507.32
  6. Step 6: Final answer
    x = 26,106.99

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