Home / 36,961.60-55,442.40-32,879.20

Finding the Fourth Proportional to 36,961.60, 55,442.40 and 32,879.20

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Solution

The fourth proportional to 36,961.60, 55,442.40 and 32,879.20 is: 49,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,961.60 : 55,442.40 = 32,879.20 : x
  2. Step 2: Convert to fraction form
    36,961.60/55,442.40 = 32,879.20/x
  3. Step 3: Cross multiply
    36,961.60x = 55,442.40 × 32,879.20
  4. Step 4: Simplify right side
    36,961.60x = 1,822,901,758.08
  5. Step 5: Solve for x
    x = 1,822,901,758.08/36,961.60
  6. Step 6: Final answer
    x = 49,318.80

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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.