Home / 36,887.82-50,905.35-20,121.18

Finding the Fourth Proportional to 36,887.82, 50,905.35 and 20,121.18

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Solution

The fourth proportional to 36,887.82, 50,905.35 and 20,121.18 is: 27,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.82 : 50,905.35 = 20,121.18 : x
  2. Step 2: Convert to fraction form
    36,887.82/50,905.35 = 20,121.18/x
  3. Step 3: Cross multiply
    36,887.82x = 50,905.35 × 20,121.18
  4. Step 4: Simplify right side
    36,887.82x = 1,024,275,710.31
  5. Step 5: Solve for x
    x = 1,024,275,710.31/36,887.82
  6. Step 6: Final answer
    x = 27,767.31

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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.