Home / 51,507.68-77,296.14-18,227.60

Finding the Fourth Proportional to 51,507.68, 77,296.14 and 18,227.60

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Solution

The fourth proportional to 51,507.68, 77,296.14 and 18,227.60 is: 27,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.68 : 77,296.14 = 18,227.60 : x
  2. Step 2: Convert to fraction form
    51,507.68/77,296.14 = 18,227.60/x
  3. Step 3: Cross multiply
    51,507.68x = 77,296.14 × 18,227.60
  4. Step 4: Simplify right side
    51,507.68x = 1,408,923,121.46
  5. Step 5: Solve for x
    x = 1,408,923,121.46/51,507.68
  6. Step 6: Final answer
    x = 27,353.65

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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.