Home / 33,319.76-49,979.66-13,607.60

Finding the Fourth Proportional to 33,319.76, 49,979.66 and 13,607.60

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Solution

The fourth proportional to 33,319.76, 49,979.66 and 13,607.60 is: 20,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.76 : 49,979.66 = 13,607.60 : x
  2. Step 2: Convert to fraction form
    33,319.76/49,979.66 = 13,607.60/x
  3. Step 3: Cross multiply
    33,319.76x = 49,979.66 × 13,607.60
  4. Step 4: Simplify right side
    33,319.76x = 680,103,221.42
  5. Step 5: Solve for x
    x = 680,103,221.42/33,319.76
  6. Step 6: Final answer
    x = 20,411.41

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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.