Home / 33,168.10-49,750.51-12,390.02

Finding the Fourth Proportional to 33,168.10, 49,750.51 and 12,390.02

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Solution

The fourth proportional to 33,168.10, 49,750.51 and 12,390.02 is: 18,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,168.10 : 49,750.51 = 12,390.02 : x
  2. Step 2: Convert to fraction form
    33,168.10/49,750.51 = 12,390.02/x
  3. Step 3: Cross multiply
    33,168.10x = 49,750.51 × 12,390.02
  4. Step 4: Simplify right side
    33,168.10x = 616,409,813.91
  5. Step 5: Solve for x
    x = 616,409,813.91/33,168.10
  6. Step 6: Final answer
    x = 18,584.42

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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.