Home / 33,285.57-45,934.39-18,944.69

Finding the Fourth Proportional to 33,285.57, 45,934.39 and 18,944.69

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Solution

The fourth proportional to 33,285.57, 45,934.39 and 18,944.69 is: 26,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285.57 : 45,934.39 = 18,944.69 : x
  2. Step 2: Convert to fraction form
    33,285.57/45,934.39 = 18,944.69/x
  3. Step 3: Cross multiply
    33,285.57x = 45,934.39 × 18,944.69
  4. Step 4: Simplify right side
    33,285.57x = 870,212,778.89
  5. Step 5: Solve for x
    x = 870,212,778.89/33,285.57
  6. Step 6: Final answer
    x = 26,143.85

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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.