Home / 37,412.72-51,628.20-20,645.36

Finding the Fourth Proportional to 37,412.72, 51,628.20 and 20,645.36

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Solution

The fourth proportional to 37,412.72, 51,628.20 and 20,645.36 is: 28,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.72 : 51,628.20 = 20,645.36 : x
  2. Step 2: Convert to fraction form
    37,412.72/51,628.20 = 20,645.36/x
  3. Step 3: Cross multiply
    37,412.72x = 51,628.20 × 20,645.36
  4. Step 4: Simplify right side
    37,412.72x = 1,065,882,775.15
  5. Step 5: Solve for x
    x = 1,065,882,775.15/37,412.72
  6. Step 6: Final answer
    x = 28,489.85

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