Home / 33,192.80-49,789.20-20,904.80

Finding the Fourth Proportional to 33,192.80, 49,789.20 and 20,904.80

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Solution

The fourth proportional to 33,192.80, 49,789.20 and 20,904.80 is: 31,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,192.80 : 49,789.20 = 20,904.80 : x
  2. Step 2: Convert to fraction form
    33,192.80/49,789.20 = 20,904.80/x
  3. Step 3: Cross multiply
    33,192.80x = 49,789.20 × 20,904.80
  4. Step 4: Simplify right side
    33,192.80x = 1,040,833,268.16
  5. Step 5: Solve for x
    x = 1,040,833,268.16/33,192.80
  6. Step 6: Final answer
    x = 31,357.20

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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.