Home / 36,921.66-50,949.99-20,151.42

Finding the Fourth Proportional to 36,921.66, 50,949.99 and 20,151.42

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Solution

The fourth proportional to 36,921.66, 50,949.99 and 20,151.42 is: 27,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.66 : 50,949.99 = 20,151.42 : x
  2. Step 2: Convert to fraction form
    36,921.66/50,949.99 = 20,151.42/x
  3. Step 3: Cross multiply
    36,921.66x = 50,949.99 × 20,151.42
  4. Step 4: Simplify right side
    36,921.66x = 1,026,714,647.49
  5. Step 5: Solve for x
    x = 1,026,714,647.49/36,921.66
  6. Step 6: Final answer
    x = 27,807.92

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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.