Home / 51,474.06-77,217.33-18,187.31

Finding the Fourth Proportional to 51,474.06, 77,217.33 and 18,187.31

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Solution

The fourth proportional to 51,474.06, 77,217.33 and 18,187.31 is: 27,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.06 : 77,217.33 = 18,187.31 : x
  2. Step 2: Convert to fraction form
    51,474.06/77,217.33 = 18,187.31/x
  3. Step 3: Cross multiply
    51,474.06x = 77,217.33 × 18,187.31
  4. Step 4: Simplify right side
    51,474.06x = 1,404,375,132.00
  5. Step 5: Solve for x
    x = 1,404,375,132.00/51,474.06
  6. Step 6: Final answer
    x = 27,283.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.