Home / 33,690.40-50,531.42-11,505.98

Finding the Fourth Proportional to 33,690.40, 50,531.42 and 11,505.98

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Solution

The fourth proportional to 33,690.40, 50,531.42 and 11,505.98 is: 17,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,690.40 : 50,531.42 = 11,505.98 : x
  2. Step 2: Convert to fraction form
    33,690.40/50,531.42 = 11,505.98/x
  3. Step 3: Cross multiply
    33,690.40x = 50,531.42 × 11,505.98
  4. Step 4: Simplify right side
    33,690.40x = 581,413,507.89
  5. Step 5: Solve for x
    x = 581,413,507.89/33,690.40
  6. Step 6: Final answer
    x = 17,257.54

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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.