Home / 49,005.76-73,520.96-15,728.80

Finding the Fourth Proportional to 49,005.76, 73,520.96 and 15,728.80

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Solution

The fourth proportional to 49,005.76, 73,520.96 and 15,728.80 is: 23,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005.76 : 73,520.96 = 15,728.80 : x
  2. Step 2: Convert to fraction form
    49,005.76/73,520.96 = 15,728.80/x
  3. Step 3: Cross multiply
    49,005.76x = 73,520.96 × 15,728.80
  4. Step 4: Simplify right side
    49,005.76x = 1,156,396,475.65
  5. Step 5: Solve for x
    x = 1,156,396,475.65/49,005.76
  6. Step 6: Final answer
    x = 23,597.15

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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.