Home / 33,104.48-49,661.60-12,323.20

Finding the Fourth Proportional to 33,104.48, 49,661.60 and 12,323.20

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Solution

The fourth proportional to 33,104.48, 49,661.60 and 12,323.20 is: 18,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,104.48 : 49,661.60 = 12,323.20 : x
  2. Step 2: Convert to fraction form
    33,104.48/49,661.60 = 12,323.20/x
  3. Step 3: Cross multiply
    33,104.48x = 49,661.60 × 12,323.20
  4. Step 4: Simplify right side
    33,104.48x = 611,989,829.12
  5. Step 5: Solve for x
    x = 611,989,829.12/33,104.48
  6. Step 6: Final answer
    x = 18,486.62

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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.