Home / 40,906.10-61,355.90-11,324.49

Finding the Fourth Proportional to 40,906.10, 61,355.90 and 11,324.49

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Solution

The fourth proportional to 40,906.10, 61,355.90 and 11,324.49 is: 16,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.10 : 61,355.90 = 11,324.49 : x
  2. Step 2: Convert to fraction form
    40,906.10/61,355.90 = 11,324.49/x
  3. Step 3: Cross multiply
    40,906.10x = 61,355.90 × 11,324.49
  4. Step 4: Simplify right side
    40,906.10x = 694,824,219.37
  5. Step 5: Solve for x
    x = 694,824,219.37/40,906.10
  6. Step 6: Final answer
    x = 16,985.84

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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.