Home / 49,823.11-68,759.31-30,450.34

Finding the Fourth Proportional to 49,823.11, 68,759.31 and 30,450.34

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Solution

The fourth proportional to 49,823.11, 68,759.31 and 30,450.34 is: 42,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,823.11 : 68,759.31 = 30,450.34 : x
  2. Step 2: Convert to fraction form
    49,823.11/68,759.31 = 30,450.34/x
  3. Step 3: Cross multiply
    49,823.11x = 68,759.31 × 30,450.34
  4. Step 4: Simplify right side
    49,823.11x = 2,093,744,367.67
  5. Step 5: Solve for x
    x = 2,093,744,367.67/49,823.11
  6. Step 6: Final answer
    x = 42,023.56

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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.