Home / 31,334.78-43,244.05-17,187.62

Finding the Fourth Proportional to 31,334.78, 43,244.05 and 17,187.62

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Solution

The fourth proportional to 31,334.78, 43,244.05 and 17,187.62 is: 23,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.78 : 43,244.05 = 17,187.62 : x
  2. Step 2: Convert to fraction form
    31,334.78/43,244.05 = 17,187.62/x
  3. Step 3: Cross multiply
    31,334.78x = 43,244.05 × 17,187.62
  4. Step 4: Simplify right side
    31,334.78x = 743,262,298.66
  5. Step 5: Solve for x
    x = 743,262,298.66/31,334.78
  6. Step 6: Final answer
    x = 23,720.04

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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.