Home / 36,489.38-50,355.34-19,722.38

Finding the Fourth Proportional to 36,489.38, 50,355.34 and 19,722.38

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Solution

The fourth proportional to 36,489.38, 50,355.34 and 19,722.38 is: 27,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.38 : 50,355.34 = 19,722.38 : x
  2. Step 2: Convert to fraction form
    36,489.38/50,355.34 = 19,722.38/x
  3. Step 3: Cross multiply
    36,489.38x = 50,355.34 × 19,722.38
  4. Step 4: Simplify right side
    36,489.38x = 993,127,150.51
  5. Step 5: Solve for x
    x = 993,127,150.51/36,489.38
  6. Step 6: Final answer
    x = 27,216.88

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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.