Home / 43,599.96-65,438.82-20,239.56

Finding the Fourth Proportional to 43,599.96, 65,438.82 and 20,239.56

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Solution

The fourth proportional to 43,599.96, 65,438.82 and 20,239.56 is: 30,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.96 : 65,438.82 = 20,239.56 : x
  2. Step 2: Convert to fraction form
    43,599.96/65,438.82 = 20,239.56/x
  3. Step 3: Cross multiply
    43,599.96x = 65,438.82 × 20,239.56
  4. Step 4: Simplify right side
    43,599.96x = 1,324,452,923.72
  5. Step 5: Solve for x
    x = 1,324,452,923.72/43,599.96
  6. Step 6: Final answer
    x = 30,377.39

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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.