Home / 33,720.18-50,552.82-12,648.39

Finding the Fourth Proportional to 33,720.18, 50,552.82 and 12,648.39

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Solution

The fourth proportional to 33,720.18, 50,552.82 and 12,648.39 is: 18,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720.18 : 50,552.82 = 12,648.39 : x
  2. Step 2: Convert to fraction form
    33,720.18/50,552.82 = 12,648.39/x
  3. Step 3: Cross multiply
    33,720.18x = 50,552.82 × 12,648.39
  4. Step 4: Simplify right side
    33,720.18x = 639,411,782.96
  5. Step 5: Solve for x
    x = 639,411,782.96/33,720.18
  6. Step 6: Final answer
    x = 18,962.29

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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.