Home / 38,356.80-57,540.87-19,647.42

Finding the Fourth Proportional to 38,356.80, 57,540.87 and 19,647.42

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Solution

The fourth proportional to 38,356.80, 57,540.87 and 19,647.42 is: 29,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.80 : 57,540.87 = 19,647.42 : x
  2. Step 2: Convert to fraction form
    38,356.80/57,540.87 = 19,647.42/x
  3. Step 3: Cross multiply
    38,356.80x = 57,540.87 × 19,647.42
  4. Step 4: Simplify right side
    38,356.80x = 1,130,529,640.06
  5. Step 5: Solve for x
    x = 1,130,529,640.06/38,356.80
  6. Step 6: Final answer
    x = 29,474.03

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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.