Home / 36,036.01-49,729.17-20,120.68

Finding the Fourth Proportional to 36,036.01, 49,729.17 and 20,120.68

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Solution

The fourth proportional to 36,036.01, 49,729.17 and 20,120.68 is: 27,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.01 : 49,729.17 = 20,120.68 : x
  2. Step 2: Convert to fraction form
    36,036.01/49,729.17 = 20,120.68/x
  3. Step 3: Cross multiply
    36,036.01x = 49,729.17 × 20,120.68
  4. Step 4: Simplify right side
    36,036.01x = 1,000,584,716.24
  5. Step 5: Solve for x
    x = 1,000,584,716.24/36,036.01
  6. Step 6: Final answer
    x = 27,766.25

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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.