Home / 36,019.07-49,708.26-20,103.38

Finding the Fourth Proportional to 36,019.07, 49,708.26 and 20,103.38

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Solution

The fourth proportional to 36,019.07, 49,708.26 and 20,103.38 is: 27,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.07 : 49,708.26 = 20,103.38 : x
  2. Step 2: Convert to fraction form
    36,019.07/49,708.26 = 20,103.38/x
  3. Step 3: Cross multiply
    36,019.07x = 49,708.26 × 20,103.38
  4. Step 4: Simplify right side
    36,019.07x = 999,304,039.92
  5. Step 5: Solve for x
    x = 999,304,039.92/36,019.07
  6. Step 6: Final answer
    x = 27,743.75

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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.