Home / 33,021.66-49,531.95-13,299.72

Finding the Fourth Proportional to 33,021.66, 49,531.95 and 13,299.72

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Solution

The fourth proportional to 33,021.66, 49,531.95 and 13,299.72 is: 19,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,021.66 : 49,531.95 = 13,299.72 : x
  2. Step 2: Convert to fraction form
    33,021.66/49,531.95 = 13,299.72/x
  3. Step 3: Cross multiply
    33,021.66x = 49,531.95 × 13,299.72
  4. Step 4: Simplify right side
    33,021.66x = 658,761,066.05
  5. Step 5: Solve for x
    x = 658,761,066.05/33,021.66
  6. Step 6: Final answer
    x = 19,949.36

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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.