Home / 36,155.91-49,895.15-20,244.09

Finding the Fourth Proportional to 36,155.91, 49,895.15 and 20,244.09

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Solution

The fourth proportional to 36,155.91, 49,895.15 and 20,244.09 is: 27,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.91 : 49,895.15 = 20,244.09 : x
  2. Step 2: Convert to fraction form
    36,155.91/49,895.15 = 20,244.09/x
  3. Step 3: Cross multiply
    36,155.91x = 49,895.15 × 20,244.09
  4. Step 4: Simplify right side
    36,155.91x = 1,010,081,805.94
  5. Step 5: Solve for x
    x = 1,010,081,805.94/36,155.91
  6. Step 6: Final answer
    x = 27,936.84

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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.