Home / 20,072.10-30,108.24-8,232.33

Finding the Fourth Proportional to 20,072.10, 30,108.24 and 8,232.33

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Solution

The fourth proportional to 20,072.10, 30,108.24 and 8,232.33 is: 12,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.10 : 30,108.24 = 8,232.33 : x
  2. Step 2: Convert to fraction form
    20,072.10/30,108.24 = 8,232.33/x
  3. Step 3: Cross multiply
    20,072.10x = 30,108.24 × 8,232.33
  4. Step 4: Simplify right side
    20,072.10x = 247,860,967.40
  5. Step 5: Solve for x
    x = 247,860,967.40/20,072.10
  6. Step 6: Final answer
    x = 12,348.53

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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.