Home / 37,556.94-51,829.39-20,561.90

Finding the Fourth Proportional to 37,556.94, 51,829.39 and 20,561.90

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Solution

The fourth proportional to 37,556.94, 51,829.39 and 20,561.90 is: 28,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,556.94 : 51,829.39 = 20,561.90 : x
  2. Step 2: Convert to fraction form
    37,556.94/51,829.39 = 20,561.90/x
  3. Step 3: Cross multiply
    37,556.94x = 51,829.39 × 20,561.90
  4. Step 4: Simplify right side
    37,556.94x = 1,065,710,850.17
  5. Step 5: Solve for x
    x = 1,065,710,850.17/37,556.94
  6. Step 6: Final answer
    x = 28,375.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.