Home / 20,181.22-30,272.00-7,033.57

Finding the Fourth Proportional to 20,181.22, 30,272.00 and 7,033.57

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Solution

The fourth proportional to 20,181.22, 30,272.00 and 7,033.57 is: 10,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.22 : 30,272.00 = 7,033.57 : x
  2. Step 2: Convert to fraction form
    20,181.22/30,272.00 = 7,033.57/x
  3. Step 3: Cross multiply
    20,181.22x = 30,272.00 × 7,033.57
  4. Step 4: Simplify right side
    20,181.22x = 212,920,120.19
  5. Step 5: Solve for x
    x = 212,920,120.19/20,181.22
  6. Step 6: Final answer
    x = 10,550.41

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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.