Home / 20,131.26-30,176.22-6,976.44

Finding the Fourth Proportional to 20,131.26, 30,176.22 and 6,976.44

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Solution

The fourth proportional to 20,131.26, 30,176.22 and 6,976.44 is: 10,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131.26 : 30,176.22 = 6,976.44 : x
  2. Step 2: Convert to fraction form
    20,131.26/30,176.22 = 6,976.44/x
  3. Step 3: Cross multiply
    20,131.26x = 30,176.22 × 6,976.44
  4. Step 4: Simplify right side
    20,131.26x = 210,522,588.26
  5. Step 5: Solve for x
    x = 210,522,588.26/20,131.26
  6. Step 6: Final answer
    x = 10,457.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.