Home / 32,408.20-48,612.30-20,734.60

Finding the Fourth Proportional to 32,408.20, 48,612.30 and 20,734.60

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Solution

The fourth proportional to 32,408.20, 48,612.30 and 20,734.60 is: 31,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,408.20 : 48,612.30 = 20,734.60 : x
  2. Step 2: Convert to fraction form
    32,408.20/48,612.30 = 20,734.60/x
  3. Step 3: Cross multiply
    32,408.20x = 48,612.30 × 20,734.60
  4. Step 4: Simplify right side
    32,408.20x = 1,007,956,595.58
  5. Step 5: Solve for x
    x = 1,007,956,595.58/32,408.20
  6. Step 6: Final answer
    x = 31,101.90

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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.