Home / 40,183.93-55,454.49-22,279.69

Finding the Fourth Proportional to 40,183.93, 55,454.49 and 22,279.69

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Solution

The fourth proportional to 40,183.93, 55,454.49 and 22,279.69 is: 30,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,183.93 : 55,454.49 = 22,279.69 : x
  2. Step 2: Convert to fraction form
    40,183.93/55,454.49 = 22,279.69/x
  3. Step 3: Cross multiply
    40,183.93x = 55,454.49 × 22,279.69
  4. Step 4: Simplify right side
    40,183.93x = 1,235,508,846.31
  5. Step 5: Solve for x
    x = 1,235,508,846.31/40,183.93
  6. Step 6: Final answer
    x = 30,746.34

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Half scale
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Double scale
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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.