Home / 29,942.73-41,315.27-20,507.85

Finding the Fourth Proportional to 29,942.73, 41,315.27 and 20,507.85

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Solution

The fourth proportional to 29,942.73, 41,315.27 and 20,507.85 is: 28,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.73 : 41,315.27 = 20,507.85 : x
  2. Step 2: Convert to fraction form
    29,942.73/41,315.27 = 20,507.85/x
  3. Step 3: Cross multiply
    29,942.73x = 41,315.27 × 20,507.85
  4. Step 4: Simplify right side
    29,942.73x = 847,287,257.33
  5. Step 5: Solve for x
    x = 847,287,257.33/29,942.73
  6. Step 6: Final answer
    x = 28,296.93

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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.