Home / 36,914.87-50,942.08-20,999.28

Finding the Fourth Proportional to 36,914.87, 50,942.08 and 20,999.28

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Solution

The fourth proportional to 36,914.87, 50,942.08 and 20,999.28 is: 28,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,914.87 : 50,942.08 = 20,999.28 : x
  2. Step 2: Convert to fraction form
    36,914.87/50,942.08 = 20,999.28/x
  3. Step 3: Cross multiply
    36,914.87x = 50,942.08 × 20,999.28
  4. Step 4: Simplify right side
    36,914.87x = 1,069,747,001.70
  5. Step 5: Solve for x
    x = 1,069,747,001.70/36,914.87
  6. Step 6: Final answer
    x = 28,978.76

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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.