Home / 43,436.40-65,214.42-22,103.58

Finding the Fourth Proportional to 43,436.40, 65,214.42 and 22,103.58

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Solution

The fourth proportional to 43,436.40, 65,214.42 and 22,103.58 is: 33,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,436.40 : 65,214.42 = 22,103.58 : x
  2. Step 2: Convert to fraction form
    43,436.40/65,214.42 = 22,103.58/x
  3. Step 3: Cross multiply
    43,436.40x = 65,214.42 × 22,103.58
  4. Step 4: Simplify right side
    43,436.40x = 1,441,472,149.62
  5. Step 5: Solve for x
    x = 1,441,472,149.62/43,436.40
  6. Step 6: Final answer
    x = 33,185.81

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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.