Home / 31,292.76-43,183.08-17,863.68

Finding the Fourth Proportional to 31,292.76, 43,183.08 and 17,863.68

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Solution

The fourth proportional to 31,292.76, 43,183.08 and 17,863.68 is: 24,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.76 : 43,183.08 = 17,863.68 : x
  2. Step 2: Convert to fraction form
    31,292.76/43,183.08 = 17,863.68/x
  3. Step 3: Cross multiply
    31,292.76x = 43,183.08 × 17,863.68
  4. Step 4: Simplify right side
    31,292.76x = 771,408,722.53
  5. Step 5: Solve for x
    x = 771,408,722.53/31,292.76
  6. Step 6: Final answer
    x = 24,651.35

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Double scale
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Similar ratio
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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.