Home / 32,540.96-48,811.44-12,821.60

Finding the Fourth Proportional to 32,540.96, 48,811.44 and 12,821.60

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Solution

The fourth proportional to 32,540.96, 48,811.44 and 12,821.60 is: 19,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,540.96 : 48,811.44 = 12,821.60 : x
  2. Step 2: Convert to fraction form
    32,540.96/48,811.44 = 12,821.60/x
  3. Step 3: Cross multiply
    32,540.96x = 48,811.44 × 12,821.60
  4. Step 4: Simplify right side
    32,540.96x = 625,840,759.10
  5. Step 5: Solve for x
    x = 625,840,759.10/32,540.96
  6. Step 6: Final answer
    x = 19,232.40

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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.