Home / 34,183.76-47,176.86-20,751.96

Finding the Fourth Proportional to 34,183.76, 47,176.86 and 20,751.96

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Solution

The fourth proportional to 34,183.76, 47,176.86 and 20,751.96 is: 28,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,183.76 : 47,176.86 = 20,751.96 : x
  2. Step 2: Convert to fraction form
    34,183.76/47,176.86 = 20,751.96/x
  3. Step 3: Cross multiply
    34,183.76x = 47,176.86 × 20,751.96
  4. Step 4: Simplify right side
    34,183.76x = 979,012,311.65
  5. Step 5: Solve for x
    x = 979,012,311.65/34,183.76
  6. Step 6: Final answer
    x = 28,639.69

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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.