Home / 45,399.78-68,110.56-14,235

Finding the Fourth Proportional to 45,399.78, 68,110.56 and 14,235

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Solution

The fourth proportional to 45,399.78, 68,110.56 and 14,235 is: 21,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.78 : 68,110.56 = 14,235 : x
  2. Step 2: Convert to fraction form
    45,399.78/68,110.56 = 14,235/x
  3. Step 3: Cross multiply
    45,399.78x = 68,110.56 × 14,235
  4. Step 4: Simplify right side
    45,399.78x = 969,553,821.60
  5. Step 5: Solve for x
    x = 969,553,821.60/45,399.78
  6. Step 6: Final answer
    x = 21,355.91

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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.