Home / 37,375.41-51,578.46-20,379.51

Finding the Fourth Proportional to 37,375.41, 51,578.46 and 20,379.51

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Solution

The fourth proportional to 37,375.41, 51,578.46 and 20,379.51 is: 28,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,375.41 : 51,578.46 = 20,379.51 : x
  2. Step 2: Convert to fraction form
    37,375.41/51,578.46 = 20,379.51/x
  3. Step 3: Cross multiply
    37,375.41x = 51,578.46 × 20,379.51
  4. Step 4: Simplify right side
    37,375.41x = 1,051,143,741.35
  5. Step 5: Solve for x
    x = 1,051,143,741.35/37,375.41
  6. Step 6: Final answer
    x = 28,123.94

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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.