Home / 34,928.46-48,193.80-20,778.54

Finding the Fourth Proportional to 34,928.46, 48,193.80 and 20,778.54

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Solution

The fourth proportional to 34,928.46, 48,193.80 and 20,778.54 is: 28,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,928.46 : 48,193.80 = 20,778.54 : x
  2. Step 2: Convert to fraction form
    34,928.46/48,193.80 = 20,778.54/x
  3. Step 3: Cross multiply
    34,928.46x = 48,193.80 × 20,778.54
  4. Step 4: Simplify right side
    34,928.46x = 1,001,396,801.05
  5. Step 5: Solve for x
    x = 1,001,396,801.05/34,928.46
  6. Step 6: Final answer
    x = 28,669.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.