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Finding the Fourth Proportional to 32,604.32, 48,876.24 and 12,879.20

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Solution

The fourth proportional to 32,604.32, 48,876.24 and 12,879.20 is: 19,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,604.32 : 48,876.24 = 12,879.20 : x
  2. Step 2: Convert to fraction form
    32,604.32/48,876.24 = 12,879.20/x
  3. Step 3: Cross multiply
    32,604.32x = 48,876.24 × 12,879.20
  4. Step 4: Simplify right side
    32,604.32x = 629,486,870.21
  5. Step 5: Solve for x
    x = 629,486,870.21/32,604.32
  6. Step 6: Final answer
    x = 19,306.85

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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.