Home / 33,864.78-46,756.24-21,137.36

Finding the Fourth Proportional to 33,864.78, 46,756.24 and 21,137.36

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Solution

The fourth proportional to 33,864.78, 46,756.24 and 21,137.36 is: 29,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,864.78 : 46,756.24 = 21,137.36 : x
  2. Step 2: Convert to fraction form
    33,864.78/46,756.24 = 21,137.36/x
  3. Step 3: Cross multiply
    33,864.78x = 46,756.24 × 21,137.36
  4. Step 4: Simplify right side
    33,864.78x = 988,303,190.50
  5. Step 5: Solve for x
    x = 988,303,190.50/33,864.78
  6. Step 6: Final answer
    x = 29,183.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.