Home / 37,379.22-51,582.92-20,383.41

Finding the Fourth Proportional to 37,379.22, 51,582.92 and 20,383.41

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Solution

The fourth proportional to 37,379.22, 51,582.92 and 20,383.41 is: 28,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,379.22 : 51,582.92 = 20,383.41 : x
  2. Step 2: Convert to fraction form
    37,379.22/51,582.92 = 20,383.41/x
  3. Step 3: Cross multiply
    37,379.22x = 51,582.92 × 20,383.41
  4. Step 4: Simplify right side
    37,379.22x = 1,051,435,705.44
  5. Step 5: Solve for x
    x = 1,051,435,705.44/37,379.22
  6. Step 6: Final answer
    x = 28,128.88

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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.