Home / 33,470.72-50,172.06-20,999.42

Finding the Fourth Proportional to 33,470.72, 50,172.06 and 20,999.42

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Solution

The fourth proportional to 33,470.72, 50,172.06 and 20,999.42 is: 31,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,470.72 : 50,172.06 = 20,999.42 : x
  2. Step 2: Convert to fraction form
    33,470.72/50,172.06 = 20,999.42/x
  3. Step 3: Cross multiply
    33,470.72x = 50,172.06 × 20,999.42
  4. Step 4: Simplify right side
    33,470.72x = 1,053,584,160.21
  5. Step 5: Solve for x
    x = 1,053,584,160.21/33,470.72
  6. Step 6: Final answer
    x = 31,477.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.