Home / 36,122.92-49,856.07-21,785.29

Finding the Fourth Proportional to 36,122.92, 49,856.07 and 21,785.29

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Solution

The fourth proportional to 36,122.92, 49,856.07 and 21,785.29 is: 30,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.92 : 49,856.07 = 21,785.29 : x
  2. Step 2: Convert to fraction form
    36,122.92/49,856.07 = 21,785.29/x
  3. Step 3: Cross multiply
    36,122.92x = 49,856.07 × 21,785.29
  4. Step 4: Simplify right side
    36,122.92x = 1,086,128,943.21
  5. Step 5: Solve for x
    x = 1,086,128,943.21/36,122.92
  6. Step 6: Final answer
    x = 30,067.58

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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.