Home / 33,436.80-50,155.20-31,363.20

Finding the Fourth Proportional to 33,436.80, 50,155.20 and 31,363.20

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Solution

The fourth proportional to 33,436.80, 50,155.20 and 31,363.20 is: 47,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,436.80 : 50,155.20 = 31,363.20 : x
  2. Step 2: Convert to fraction form
    33,436.80/50,155.20 = 31,363.20/x
  3. Step 3: Cross multiply
    33,436.80x = 50,155.20 × 31,363.20
  4. Step 4: Simplify right side
    33,436.80x = 1,573,027,568.64
  5. Step 5: Solve for x
    x = 1,573,027,568.64/33,436.80
  6. Step 6: Final answer
    x = 47,044.80

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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.