Home / 36,217.62-49,977.80-20,085.78

Finding the Fourth Proportional to 36,217.62, 49,977.80 and 20,085.78

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Solution

The fourth proportional to 36,217.62, 49,977.80 and 20,085.78 is: 27,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,217.62 : 49,977.80 = 20,085.78 : x
  2. Step 2: Convert to fraction form
    36,217.62/49,977.80 = 20,085.78/x
  3. Step 3: Cross multiply
    36,217.62x = 49,977.80 × 20,085.78
  4. Step 4: Simplify right side
    36,217.62x = 1,003,843,095.68
  5. Step 5: Solve for x
    x = 1,003,843,095.68/36,217.62
  6. Step 6: Final answer
    x = 27,716.98

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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.