Home / 38,773.84-57,898.10-30,786.73

Finding the Fourth Proportional to 38,773.84, 57,898.10 and 30,786.73

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Solution

The fourth proportional to 38,773.84, 57,898.10 and 30,786.73 is: 45,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.84 : 57,898.10 = 30,786.73 : x
  2. Step 2: Convert to fraction form
    38,773.84/57,898.10 = 30,786.73/x
  3. Step 3: Cross multiply
    38,773.84x = 57,898.10 × 30,786.73
  4. Step 4: Simplify right side
    38,773.84x = 1,782,493,172.21
  5. Step 5: Solve for x
    x = 1,782,493,172.21/38,773.84
  6. Step 6: Final answer
    x = 45,971.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.