Home / 33,183.20-45,792.80-18,279.20

Finding the Fourth Proportional to 33,183.20, 45,792.80 and 18,279.20

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Solution

The fourth proportional to 33,183.20, 45,792.80 and 18,279.20 is: 25,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,183.20 : 45,792.80 = 18,279.20 : x
  2. Step 2: Convert to fraction form
    33,183.20/45,792.80 = 18,279.20/x
  3. Step 3: Cross multiply
    33,183.20x = 45,792.80 × 18,279.20
  4. Step 4: Simplify right side
    33,183.20x = 837,055,429.40
  5. Step 5: Solve for x
    x = 837,055,429.40/33,183.20
  6. Step 6: Final answer
    x = 25,225.28

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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.