Home / 38,974.24-58,477.56-21,442.60

Finding the Fourth Proportional to 38,974.24, 58,477.56 and 21,442.60

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Solution

The fourth proportional to 38,974.24, 58,477.56 and 21,442.60 is: 32,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974.24 : 58,477.56 = 21,442.60 : x
  2. Step 2: Convert to fraction form
    38,974.24/58,477.56 = 21,442.60/x
  3. Step 3: Cross multiply
    38,974.24x = 58,477.56 × 21,442.60
  4. Step 4: Simplify right side
    38,974.24x = 1,253,910,928.06
  5. Step 5: Solve for x
    x = 1,253,910,928.06/38,974.24
  6. Step 6: Final answer
    x = 32,172.81

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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.