Home / 36,187.88-49,939.27-20,272.32

Finding the Fourth Proportional to 36,187.88, 49,939.27 and 20,272.32

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Solution

The fourth proportional to 36,187.88, 49,939.27 and 20,272.32 is: 27,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.88 : 49,939.27 = 20,272.32 : x
  2. Step 2: Convert to fraction form
    36,187.88/49,939.27 = 20,272.32/x
  3. Step 3: Cross multiply
    36,187.88x = 49,939.27 × 20,272.32
  4. Step 4: Simplify right side
    36,187.88x = 1,012,384,811.33
  5. Step 5: Solve for x
    x = 1,012,384,811.33/36,187.88
  6. Step 6: Final answer
    x = 27,975.80

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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.