Home / 36,099.75-49,816.20-19,966

Finding the Fourth Proportional to 36,099.75, 49,816.20 and 19,966

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Solution

The fourth proportional to 36,099.75, 49,816.20 and 19,966 is: 27,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.75 : 49,816.20 = 19,966 : x
  2. Step 2: Convert to fraction form
    36,099.75/49,816.20 = 19,966/x
  3. Step 3: Cross multiply
    36,099.75x = 49,816.20 × 19,966
  4. Step 4: Simplify right side
    36,099.75x = 994,630,249.20
  5. Step 5: Solve for x
    x = 994,630,249.20/36,099.75
  6. Step 6: Final answer
    x = 27,552.28

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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.