Home / 33,218.66-49,827.78-12,160.16

Finding the Fourth Proportional to 33,218.66, 49,827.78 and 12,160.16

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Solution

The fourth proportional to 33,218.66, 49,827.78 and 12,160.16 is: 18,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.66 : 49,827.78 = 12,160.16 : x
  2. Step 2: Convert to fraction form
    33,218.66/49,827.78 = 12,160.16/x
  3. Step 3: Cross multiply
    33,218.66x = 49,827.78 × 12,160.16
  4. Step 4: Simplify right side
    33,218.66x = 605,913,746.84
  5. Step 5: Solve for x
    x = 605,913,746.84/33,218.66
  6. Step 6: Final answer
    x = 18,240.16

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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.