Home / 33,439.38-46,147.20-18,902.39

Finding the Fourth Proportional to 33,439.38, 46,147.20 and 18,902.39

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Solution

The fourth proportional to 33,439.38, 46,147.20 and 18,902.39 is: 26,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,439.38 : 46,147.20 = 18,902.39 : x
  2. Step 2: Convert to fraction form
    33,439.38/46,147.20 = 18,902.39/x
  3. Step 3: Cross multiply
    33,439.38x = 46,147.20 × 18,902.39
  4. Step 4: Simplify right side
    33,439.38x = 872,292,487.18
  5. Step 5: Solve for x
    x = 872,292,487.18/33,439.38
  6. Step 6: Final answer
    x = 26,085.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.