Home / 40,120.16-55,348.40-24,195.76

Finding the Fourth Proportional to 40,120.16, 55,348.40 and 24,195.76

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Solution

The fourth proportional to 40,120.16, 55,348.40 and 24,195.76 is: 33,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.16 : 55,348.40 = 24,195.76 : x
  2. Step 2: Convert to fraction form
    40,120.16/55,348.40 = 24,195.76/x
  3. Step 3: Cross multiply
    40,120.16x = 55,348.40 × 24,195.76
  4. Step 4: Simplify right side
    40,120.16x = 1,339,196,524.90
  5. Step 5: Solve for x
    x = 1,339,196,524.90/40,120.16
  6. Step 6: Final answer
    x = 33,379.64

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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.