Home / 37,789.92-56,684.88-12,830.04

Finding the Fourth Proportional to 37,789.92, 56,684.88 and 12,830.04

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Solution

The fourth proportional to 37,789.92, 56,684.88 and 12,830.04 is: 19,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,789.92 : 56,684.88 = 12,830.04 : x
  2. Step 2: Convert to fraction form
    37,789.92/56,684.88 = 12,830.04/x
  3. Step 3: Cross multiply
    37,789.92x = 56,684.88 × 12,830.04
  4. Step 4: Simplify right side
    37,789.92x = 727,269,277.80
  5. Step 5: Solve for x
    x = 727,269,277.80/37,789.92
  6. Step 6: Final answer
    x = 19,245.06

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Similar ratio
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1.5x scale

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.