Home / 36,035.96-49,729.16-20,120.68

Finding the Fourth Proportional to 36,035.96, 49,729.16 and 20,120.68

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Solution

The fourth proportional to 36,035.96, 49,729.16 and 20,120.68 is: 27,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,035.96 : 49,729.16 = 20,120.68 : x
  2. Step 2: Convert to fraction form
    36,035.96/49,729.16 = 20,120.68/x
  3. Step 3: Cross multiply
    36,035.96x = 49,729.16 × 20,120.68
  4. Step 4: Simplify right side
    36,035.96x = 1,000,584,515.03
  5. Step 5: Solve for x
    x = 1,000,584,515.03/36,035.96
  6. Step 6: Final answer
    x = 27,766.28

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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.