Home / 36,722.85-50,665.56-21,405.90

Finding the Fourth Proportional to 36,722.85, 50,665.56 and 21,405.90

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Solution

The fourth proportional to 36,722.85, 50,665.56 and 21,405.90 is: 29,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.85 : 50,665.56 = 21,405.90 : x
  2. Step 2: Convert to fraction form
    36,722.85/50,665.56 = 21,405.90/x
  3. Step 3: Cross multiply
    36,722.85x = 50,665.56 × 21,405.90
  4. Step 4: Simplify right side
    36,722.85x = 1,084,541,910.80
  5. Step 5: Solve for x
    x = 1,084,541,910.80/36,722.85
  6. Step 6: Final answer
    x = 29,533.16

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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.