Home / 41,982.10-62,933.55-20,902.20

Finding the Fourth Proportional to 41,982.10, 62,933.55 and 20,902.20

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Solution

The fourth proportional to 41,982.10, 62,933.55 and 20,902.20 is: 31,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.10 : 62,933.55 = 20,902.20 : x
  2. Step 2: Convert to fraction form
    41,982.10/62,933.55 = 20,902.20/x
  3. Step 3: Cross multiply
    41,982.10x = 62,933.55 × 20,902.20
  4. Step 4: Simplify right side
    41,982.10x = 1,315,449,648.81
  5. Step 5: Solve for x
    x = 1,315,449,648.81/41,982.10
  6. Step 6: Final answer
    x = 31,333.58

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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.