Home / 36,139.14-49,874.94-20,225.07

Finding the Fourth Proportional to 36,139.14, 49,874.94 and 20,225.07

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Solution

The fourth proportional to 36,139.14, 49,874.94 and 20,225.07 is: 27,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.14 : 49,874.94 = 20,225.07 : x
  2. Step 2: Convert to fraction form
    36,139.14/49,874.94 = 20,225.07/x
  3. Step 3: Cross multiply
    36,139.14x = 49,874.94 × 20,225.07
  4. Step 4: Simplify right side
    36,139.14x = 1,008,724,152.75
  5. Step 5: Solve for x
    x = 1,008,724,152.75/36,139.14
  6. Step 6: Final answer
    x = 27,912.23

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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.