Home / 38,311.20-57,337.20-33,645.60

Finding the Fourth Proportional to 38,311.20, 57,337.20 and 33,645.60

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Solution

The fourth proportional to 38,311.20, 57,337.20 and 33,645.60 is: 50,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.20 : 57,337.20 = 33,645.60 : x
  2. Step 2: Convert to fraction form
    38,311.20/57,337.20 = 33,645.60/x
  3. Step 3: Cross multiply
    38,311.20x = 57,337.20 × 33,645.60
  4. Step 4: Simplify right side
    38,311.20x = 1,929,144,496.32
  5. Step 5: Solve for x
    x = 1,929,144,496.32/38,311.20
  6. Step 6: Final answer
    x = 50,354.58

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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.