Home / 36,129.24-49,863.38-20,214.77

Finding the Fourth Proportional to 36,129.24, 49,863.38 and 20,214.77

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Solution

The fourth proportional to 36,129.24, 49,863.38 and 20,214.77 is: 27,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.24 : 49,863.38 = 20,214.77 : x
  2. Step 2: Convert to fraction form
    36,129.24/49,863.38 = 20,214.77/x
  3. Step 3: Cross multiply
    36,129.24x = 49,863.38 × 20,214.77
  4. Step 4: Simplify right side
    36,129.24x = 1,007,976,407.73
  5. Step 5: Solve for x
    x = 1,007,976,407.73/36,129.24
  6. Step 6: Final answer
    x = 27,899.19

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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.