Home / 31,159.89-43,000.34-17,012.70

Finding the Fourth Proportional to 31,159.89, 43,000.34 and 17,012.70

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Solution

The fourth proportional to 31,159.89, 43,000.34 and 17,012.70 is: 23,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.89 : 43,000.34 = 17,012.70 : x
  2. Step 2: Convert to fraction form
    31,159.89/43,000.34 = 17,012.70/x
  3. Step 3: Cross multiply
    31,159.89x = 43,000.34 × 17,012.70
  4. Step 4: Simplify right side
    31,159.89x = 731,551,799.25
  5. Step 5: Solve for x
    x = 731,551,799.25/31,159.89
  6. Step 6: Final answer
    x = 23,477.35

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