Home / 43,414.58-65,121.86-20,028.26

Finding the Fourth Proportional to 43,414.58, 65,121.86 and 20,028.26

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Solution

The fourth proportional to 43,414.58, 65,121.86 and 20,028.26 is: 30,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.58 : 65,121.86 = 20,028.26 : x
  2. Step 2: Convert to fraction form
    43,414.58/65,121.86 = 20,028.26/x
  3. Step 3: Cross multiply
    43,414.58x = 65,121.86 × 20,028.26
  4. Step 4: Simplify right side
    43,414.58x = 1,304,277,543.76
  5. Step 5: Solve for x
    x = 1,304,277,543.76/43,414.58
  6. Step 6: Final answer
    x = 30,042.39

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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.