Home / 36,134.98-49,868.46-20,219.09

Finding the Fourth Proportional to 36,134.98, 49,868.46 and 20,219.09

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Solution

The fourth proportional to 36,134.98, 49,868.46 and 20,219.09 is: 27,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.98 : 49,868.46 = 20,219.09 : x
  2. Step 2: Convert to fraction form
    36,134.98/49,868.46 = 20,219.09/x
  3. Step 3: Cross multiply
    36,134.98x = 49,868.46 × 20,219.09
  4. Step 4: Simplify right side
    36,134.98x = 1,008,294,530.46
  5. Step 5: Solve for x
    x = 1,008,294,530.46/36,134.98
  6. Step 6: Final answer
    x = 27,903.56

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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.