Home / 37,371.32-51,571.79-20,375.70

Finding the Fourth Proportional to 37,371.32, 51,571.79 and 20,375.70

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Solution

The fourth proportional to 37,371.32, 51,571.79 and 20,375.70 is: 28,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,371.32 : 51,571.79 = 20,375.70 : x
  2. Step 2: Convert to fraction form
    37,371.32/51,571.79 = 20,375.70/x
  3. Step 3: Cross multiply
    37,371.32x = 51,571.79 × 20,375.70
  4. Step 4: Simplify right side
    37,371.32x = 1,050,811,392.73
  5. Step 5: Solve for x
    x = 1,050,811,392.73/37,371.32
  6. Step 6: Final answer
    x = 28,118.12

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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.