Home / 43,419.35-65,084.83-19,743.71

Finding the Fourth Proportional to 43,419.35, 65,084.83 and 19,743.71

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Solution

The fourth proportional to 43,419.35, 65,084.83 and 19,743.71 is: 29,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,419.35 : 65,084.83 = 19,743.71 : x
  2. Step 2: Convert to fraction form
    43,419.35/65,084.83 = 19,743.71/x
  3. Step 3: Cross multiply
    43,419.35x = 65,084.83 × 19,743.71
  4. Step 4: Simplify right side
    43,419.35x = 1,285,015,910.20
  5. Step 5: Solve for x
    x = 1,285,015,910.20/43,419.35
  6. Step 6: Final answer
    x = 29,595.47

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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.