Home / 33,184.48-49,781.40-12,406

Finding the Fourth Proportional to 33,184.48, 49,781.40 and 12,406

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Solution

The fourth proportional to 33,184.48, 49,781.40 and 12,406 is: 18,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,184.48 : 49,781.40 = 12,406 : x
  2. Step 2: Convert to fraction form
    33,184.48/49,781.40 = 12,406/x
  3. Step 3: Cross multiply
    33,184.48x = 49,781.40 × 12,406
  4. Step 4: Simplify right side
    33,184.48x = 617,588,048.40
  5. Step 5: Solve for x
    x = 617,588,048.40/33,184.48
  6. Step 6: Final answer
    x = 18,610.75

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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.