Home / 39,490.44-59,183.11-19,469.36

Finding the Fourth Proportional to 39,490.44, 59,183.11 and 19,469.36

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Solution

The fourth proportional to 39,490.44, 59,183.11 and 19,469.36 is: 29,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.44 : 59,183.11 = 19,469.36 : x
  2. Step 2: Convert to fraction form
    39,490.44/59,183.11 = 19,469.36/x
  3. Step 3: Cross multiply
    39,490.44x = 59,183.11 × 19,469.36
  4. Step 4: Simplify right side
    39,490.44x = 1,152,257,337.29
  5. Step 5: Solve for x
    x = 1,152,257,337.29/39,490.44
  6. Step 6: Final answer
    x = 29,178.14

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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.