Home / 37,078.26-51,168.18-20,311.26

Finding the Fourth Proportional to 37,078.26, 51,168.18 and 20,311.26

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Solution

The fourth proportional to 37,078.26, 51,168.18 and 20,311.26 is: 28,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.26 : 51,168.18 = 20,311.26 : x
  2. Step 2: Convert to fraction form
    37,078.26/51,168.18 = 20,311.26/x
  3. Step 3: Cross multiply
    37,078.26x = 51,168.18 × 20,311.26
  4. Step 4: Simplify right side
    37,078.26x = 1,039,290,207.71
  5. Step 5: Solve for x
    x = 1,039,290,207.71/37,078.26
  6. Step 6: Final answer
    x = 28,029.64

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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.