Home / 36,113.22-49,836.62-19,979.70

Finding the Fourth Proportional to 36,113.22, 49,836.62 and 19,979.70

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Solution

The fourth proportional to 36,113.22, 49,836.62 and 19,979.70 is: 27,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.22 : 49,836.62 = 19,979.70 : x
  2. Step 2: Convert to fraction form
    36,113.22/49,836.62 = 19,979.70/x
  3. Step 3: Cross multiply
    36,113.22x = 49,836.62 × 19,979.70
  4. Step 4: Simplify right side
    36,113.22x = 995,720,616.72
  5. Step 5: Solve for x
    x = 995,720,616.72/36,113.22
  6. Step 6: Final answer
    x = 27,572.19

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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.