Home / 51,183.15-70,630.92-28,520.97

Finding the Fourth Proportional to 51,183.15, 70,630.92 and 28,520.97

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Solution

The fourth proportional to 51,183.15, 70,630.92 and 28,520.97 is: 39,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.15 : 70,630.92 = 28,520.97 : x
  2. Step 2: Convert to fraction form
    51,183.15/70,630.92 = 28,520.97/x
  3. Step 3: Cross multiply
    51,183.15x = 70,630.92 × 28,520.97
  4. Step 4: Simplify right side
    51,183.15x = 2,014,462,350.39
  5. Step 5: Solve for x
    x = 2,014,462,350.39/51,183.15
  6. Step 6: Final answer
    x = 39,357.92

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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.