Home / 67,181.02-100,770.62-20,433.89

Finding the Fourth Proportional to 67,181.02, 100,770.62 and 20,433.89

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Solution

The fourth proportional to 67,181.02, 100,770.62 and 20,433.89 is: 30,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.02 : 100,770.62 = 20,433.89 : x
  2. Step 2: Convert to fraction form
    67,181.02/100,770.62 = 20,433.89/x
  3. Step 3: Cross multiply
    67,181.02x = 100,770.62 × 20,433.89
  4. Step 4: Simplify right side
    67,181.02x = 2,059,135,914.07
  5. Step 5: Solve for x
    x = 2,059,135,914.07/67,181.02
  6. Step 6: Final answer
    x = 30,650.56

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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.