Home / 20,230.22-30,301.11-16,680.35

Finding the Fourth Proportional to 20,230.22, 30,301.11 and 16,680.35

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Solution

The fourth proportional to 20,230.22, 30,301.11 and 16,680.35 is: 24,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.22 : 30,301.11 = 16,680.35 : x
  2. Step 2: Convert to fraction form
    20,230.22/30,301.11 = 16,680.35/x
  3. Step 3: Cross multiply
    20,230.22x = 30,301.11 × 16,680.35
  4. Step 4: Simplify right side
    20,230.22x = 505,432,968.68
  5. Step 5: Solve for x
    x = 505,432,968.68/20,230.22
  6. Step 6: Final answer
    x = 24,984.06

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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.