Home / 32,600.20-48,900.30-12,868.60

Finding the Fourth Proportional to 32,600.20, 48,900.30 and 12,868.60

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Solution

The fourth proportional to 32,600.20, 48,900.30 and 12,868.60 is: 19,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,600.20 : 48,900.30 = 12,868.60 : x
  2. Step 2: Convert to fraction form
    32,600.20/48,900.30 = 12,868.60/x
  3. Step 3: Cross multiply
    32,600.20x = 48,900.30 × 12,868.60
  4. Step 4: Simplify right side
    32,600.20x = 629,278,400.58
  5. Step 5: Solve for x
    x = 629,278,400.58/32,600.20
  6. Step 6: Final answer
    x = 19,302.90

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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.