Home / 36,039.70-49,734.68-20,127.92

Finding the Fourth Proportional to 36,039.70, 49,734.68 and 20,127.92

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Solution

The fourth proportional to 36,039.70, 49,734.68 and 20,127.92 is: 27,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.70 : 49,734.68 = 20,127.92 : x
  2. Step 2: Convert to fraction form
    36,039.70/49,734.68 = 20,127.92/x
  3. Step 3: Cross multiply
    36,039.70x = 49,734.68 × 20,127.92
  4. Step 4: Simplify right side
    36,039.70x = 1,001,055,660.27
  5. Step 5: Solve for x
    x = 1,001,055,660.27/36,039.70
  6. Step 6: Final answer
    x = 27,776.47

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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.