Home / 33,280.40-49,855.80-20,093.60

Finding the Fourth Proportional to 33,280.40, 49,855.80 and 20,093.60

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Solution

The fourth proportional to 33,280.40, 49,855.80 and 20,093.60 is: 30,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.40 : 49,855.80 = 20,093.60 : x
  2. Step 2: Convert to fraction form
    33,280.40/49,855.80 = 20,093.60/x
  3. Step 3: Cross multiply
    33,280.40x = 49,855.80 × 20,093.60
  4. Step 4: Simplify right side
    33,280.40x = 1,001,782,502.88
  5. Step 5: Solve for x
    x = 1,001,782,502.88/33,280.40
  6. Step 6: Final answer
    x = 30,101.28

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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.