Home / 36,140.49-49,874.13-20,226.42

Finding the Fourth Proportional to 36,140.49, 49,874.13 and 20,226.42

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Solution

The fourth proportional to 36,140.49, 49,874.13 and 20,226.42 is: 27,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,140.49 : 49,874.13 = 20,226.42 : x
  2. Step 2: Convert to fraction form
    36,140.49/49,874.13 = 20,226.42/x
  3. Step 3: Cross multiply
    36,140.49x = 49,874.13 × 20,226.42
  4. Step 4: Simplify right side
    36,140.49x = 1,008,775,100.51
  5. Step 5: Solve for x
    x = 1,008,775,100.51/36,140.49
  6. Step 6: Final answer
    x = 27,912.60

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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.