Home / 48,728.96-67,234.56-28,584.80

Finding the Fourth Proportional to 48,728.96, 67,234.56 and 28,584.80

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Solution

The fourth proportional to 48,728.96, 67,234.56 and 28,584.80 is: 39,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.96 : 67,234.56 = 28,584.80 : x
  2. Step 2: Convert to fraction form
    48,728.96/67,234.56 = 28,584.80/x
  3. Step 3: Cross multiply
    48,728.96x = 67,234.56 × 28,584.80
  4. Step 4: Simplify right side
    48,728.96x = 1,921,886,450.69
  5. Step 5: Solve for x
    x = 1,921,886,450.69/48,728.96
  6. Step 6: Final answer
    x = 39,440.33

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1.5x scale

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.