Home / 32,928.73-49,296.20-20,408.56

Finding the Fourth Proportional to 32,928.73, 49,296.20 and 20,408.56

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Solution

The fourth proportional to 32,928.73, 49,296.20 and 20,408.56 is: 30,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.73 : 49,296.20 = 20,408.56 : x
  2. Step 2: Convert to fraction form
    32,928.73/49,296.20 = 20,408.56/x
  3. Step 3: Cross multiply
    32,928.73x = 49,296.20 × 20,408.56
  4. Step 4: Simplify right side
    32,928.73x = 1,006,064,230.19
  5. Step 5: Solve for x
    x = 1,006,064,230.19/32,928.73
  6. Step 6: Final answer
    x = 30,552.78

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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.