Home / 50,910.12-76,350.60-17,621.55

Finding the Fourth Proportional to 50,910.12, 76,350.60 and 17,621.55

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Solution

The fourth proportional to 50,910.12, 76,350.60 and 17,621.55 is: 26,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.12 : 76,350.60 = 17,621.55 : x
  2. Step 2: Convert to fraction form
    50,910.12/76,350.60 = 17,621.55/x
  3. Step 3: Cross multiply
    50,910.12x = 76,350.60 × 17,621.55
  4. Step 4: Simplify right side
    50,910.12x = 1,345,415,915.43
  5. Step 5: Solve for x
    x = 1,345,415,915.43/50,910.12
  6. Step 6: Final answer
    x = 26,427.28

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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.