Home / 38,768.20-58,022.70-34,102.60

Finding the Fourth Proportional to 38,768.20, 58,022.70 and 34,102.60

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Solution

The fourth proportional to 38,768.20, 58,022.70 and 34,102.60 is: 51,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.20 : 58,022.70 = 34,102.60 : x
  2. Step 2: Convert to fraction form
    38,768.20/58,022.70 = 34,102.60/x
  3. Step 3: Cross multiply
    38,768.20x = 58,022.70 × 34,102.60
  4. Step 4: Simplify right side
    38,768.20x = 1,978,724,929.02
  5. Step 5: Solve for x
    x = 1,978,724,929.02/38,768.20
  6. Step 6: Final answer
    x = 51,039.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.