Home / 36,208.05-49,964.36-20,289.42

Finding the Fourth Proportional to 36,208.05, 49,964.36 and 20,289.42

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Solution

The fourth proportional to 36,208.05, 49,964.36 and 20,289.42 is: 27,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,208.05 : 49,964.36 = 20,289.42 : x
  2. Step 2: Convert to fraction form
    36,208.05/49,964.36 = 20,289.42/x
  3. Step 3: Cross multiply
    36,208.05x = 49,964.36 × 20,289.42
  4. Step 4: Simplify right side
    36,208.05x = 1,013,747,783.62
  5. Step 5: Solve for x
    x = 1,013,747,783.62/36,208.05
  6. Step 6: Final answer
    x = 27,997.86

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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.