Home / 33,828.48-50,800.80-20,757.60

Finding the Fourth Proportional to 33,828.48, 50,800.80 and 20,757.60

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Solution

The fourth proportional to 33,828.48, 50,800.80 and 20,757.60 is: 31,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.48 : 50,800.80 = 20,757.60 : x
  2. Step 2: Convert to fraction form
    33,828.48/50,800.80 = 20,757.60/x
  3. Step 3: Cross multiply
    33,828.48x = 50,800.80 × 20,757.60
  4. Step 4: Simplify right side
    33,828.48x = 1,054,502,686.08
  5. Step 5: Solve for x
    x = 1,054,502,686.08/33,828.48
  6. Step 6: Final answer
    x = 31,172.04

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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.