Home / 36,020.21-49,708.41-20,104.66

Finding the Fourth Proportional to 36,020.21, 49,708.41 and 20,104.66

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Solution

The fourth proportional to 36,020.21, 49,708.41 and 20,104.66 is: 27,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.21 : 49,708.41 = 20,104.66 : x
  2. Step 2: Convert to fraction form
    36,020.21/49,708.41 = 20,104.66/x
  3. Step 3: Cross multiply
    36,020.21x = 49,708.41 × 20,104.66
  4. Step 4: Simplify right side
    36,020.21x = 999,370,865.28
  5. Step 5: Solve for x
    x = 999,370,865.28/36,020.21
  6. Step 6: Final answer
    x = 27,744.72

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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.