Home / 37,571.76-51,850.20-20,806.32

Finding the Fourth Proportional to 37,571.76, 51,850.20 and 20,806.32

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Solution

The fourth proportional to 37,571.76, 51,850.20 and 20,806.32 is: 28,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,571.76 : 51,850.20 = 20,806.32 : x
  2. Step 2: Convert to fraction form
    37,571.76/51,850.20 = 20,806.32/x
  3. Step 3: Cross multiply
    37,571.76x = 51,850.20 × 20,806.32
  4. Step 4: Simplify right side
    37,571.76x = 1,078,811,853.26
  5. Step 5: Solve for x
    x = 1,078,811,853.26/37,571.76
  6. Step 6: Final answer
    x = 28,713.37

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1.5x scale

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.