Home / 33,135.87-49,702.19-12,357.75

Finding the Fourth Proportional to 33,135.87, 49,702.19 and 12,357.75

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Solution

The fourth proportional to 33,135.87, 49,702.19 and 12,357.75 is: 18,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,135.87 : 49,702.19 = 12,357.75 : x
  2. Step 2: Convert to fraction form
    33,135.87/49,702.19 = 12,357.75/x
  3. Step 3: Cross multiply
    33,135.87x = 49,702.19 × 12,357.75
  4. Step 4: Simplify right side
    33,135.87x = 614,207,176.68
  5. Step 5: Solve for x
    x = 614,207,176.68/33,135.87
  6. Step 6: Final answer
    x = 18,536.02

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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.