Home / 37,568.08-51,841.88-20,800

Finding the Fourth Proportional to 37,568.08, 51,841.88 and 20,800

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Solution

The fourth proportional to 37,568.08, 51,841.88 and 20,800 is: 28,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,568.08 : 51,841.88 = 20,800 : x
  2. Step 2: Convert to fraction form
    37,568.08/51,841.88 = 20,800/x
  3. Step 3: Cross multiply
    37,568.08x = 51,841.88 × 20,800
  4. Step 4: Simplify right side
    37,568.08x = 1,078,311,104
  5. Step 5: Solve for x
    x = 1,078,311,104/37,568.08
  6. Step 6: Final answer
    x = 28,702.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.