Home / 36,111.30-49,832.55-19,979.28

Finding the Fourth Proportional to 36,111.30, 49,832.55 and 19,979.28

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Solution

The fourth proportional to 36,111.30, 49,832.55 and 19,979.28 is: 27,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.30 : 49,832.55 = 19,979.28 : x
  2. Step 2: Convert to fraction form
    36,111.30/49,832.55 = 19,979.28/x
  3. Step 3: Cross multiply
    36,111.30x = 49,832.55 × 19,979.28
  4. Step 4: Simplify right side
    36,111.30x = 995,618,469.56
  5. Step 5: Solve for x
    x = 995,618,469.56/36,111.30
  6. Step 6: Final answer
    x = 27,570.83

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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.