Home / 36,020.07-49,705.67-20,105.54

Finding the Fourth Proportional to 36,020.07, 49,705.67 and 20,105.54

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Solution

The fourth proportional to 36,020.07, 49,705.67 and 20,105.54 is: 27,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.07 : 49,705.67 = 20,105.54 : x
  2. Step 2: Convert to fraction form
    36,020.07/49,705.67 = 20,105.54/x
  3. Step 3: Cross multiply
    36,020.07x = 49,705.67 × 20,105.54
  4. Step 4: Simplify right side
    36,020.07x = 999,359,173.75
  5. Step 5: Solve for x
    x = 999,359,173.75/36,020.07
  6. Step 6: Final answer
    x = 27,744.51

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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.