Home / 49,049.70-67,687.30-28,635.67

Finding the Fourth Proportional to 49,049.70, 67,687.30 and 28,635.67

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Solution

The fourth proportional to 49,049.70, 67,687.30 and 28,635.67 is: 39,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,049.70 : 67,687.30 = 28,635.67 : x
  2. Step 2: Convert to fraction form
    49,049.70/67,687.30 = 28,635.67/x
  3. Step 3: Cross multiply
    49,049.70x = 67,687.30 × 28,635.67
  4. Step 4: Simplify right side
    49,049.70x = 1,938,271,185.99
  5. Step 5: Solve for x
    x = 1,938,271,185.99/49,049.70
  6. Step 6: Final answer
    x = 39,516.48

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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.