Home / 33,813.20-50,761.40-21,333.20

Finding the Fourth Proportional to 33,813.20, 50,761.40 and 21,333.20

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Solution

The fourth proportional to 33,813.20, 50,761.40 and 21,333.20 is: 32,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,813.20 : 50,761.40 = 21,333.20 : x
  2. Step 2: Convert to fraction form
    33,813.20/50,761.40 = 21,333.20/x
  3. Step 3: Cross multiply
    33,813.20x = 50,761.40 × 21,333.20
  4. Step 4: Simplify right side
    33,813.20x = 1,082,903,098.48
  5. Step 5: Solve for x
    x = 1,082,903,098.48/33,813.20
  6. Step 6: Final answer
    x = 32,026.05

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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.