Home / 36,163.68-49,904.64-20,248.80

Finding the Fourth Proportional to 36,163.68, 49,904.64 and 20,248.80

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Solution

The fourth proportional to 36,163.68, 49,904.64 and 20,248.80 is: 27,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.68 : 49,904.64 = 20,248.80 : x
  2. Step 2: Convert to fraction form
    36,163.68/49,904.64 = 20,248.80/x
  3. Step 3: Cross multiply
    36,163.68x = 49,904.64 × 20,248.80
  4. Step 4: Simplify right side
    36,163.68x = 1,010,509,074.43
  5. Step 5: Solve for x
    x = 1,010,509,074.43/36,163.68
  6. Step 6: Final answer
    x = 27,942.65

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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.