Home / 34,896.12-48,151.98-20,743.80

Finding the Fourth Proportional to 34,896.12, 48,151.98 and 20,743.80

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Solution

The fourth proportional to 34,896.12, 48,151.98 and 20,743.80 is: 28,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,896.12 : 48,151.98 = 20,743.80 : x
  2. Step 2: Convert to fraction form
    34,896.12/48,151.98 = 20,743.80/x
  3. Step 3: Cross multiply
    34,896.12x = 48,151.98 × 20,743.80
  4. Step 4: Simplify right side
    34,896.12x = 998,855,042.72
  5. Step 5: Solve for x
    x = 998,855,042.72/34,896.12
  6. Step 6: Final answer
    x = 28,623.67

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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.