Home / 33,665.40-50,446.62-16,978.80

Finding the Fourth Proportional to 33,665.40, 50,446.62 and 16,978.80

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Solution

The fourth proportional to 33,665.40, 50,446.62 and 16,978.80 is: 25,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665.40 : 50,446.62 = 16,978.80 : x
  2. Step 2: Convert to fraction form
    33,665.40/50,446.62 = 16,978.80/x
  3. Step 3: Cross multiply
    33,665.40x = 50,446.62 × 16,978.80
  4. Step 4: Simplify right side
    33,665.40x = 856,523,071.66
  5. Step 5: Solve for x
    x = 856,523,071.66/33,665.40
  6. Step 6: Final answer
    x = 25,442.24

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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.