Home / 31,975.89-47,965.74-13,257.30

Finding the Fourth Proportional to 31,975.89, 47,965.74 and 13,257.30

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Solution

The fourth proportional to 31,975.89, 47,965.74 and 13,257.30 is: 19,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.89 : 47,965.74 = 13,257.30 : x
  2. Step 2: Convert to fraction form
    31,975.89/47,965.74 = 13,257.30/x
  3. Step 3: Cross multiply
    31,975.89x = 47,965.74 × 13,257.30
  4. Step 4: Simplify right side
    31,975.89x = 635,896,204.90
  5. Step 5: Solve for x
    x = 635,896,204.90/31,975.89
  6. Step 6: Final answer
    x = 19,886.74

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