Home / 31,640.92-43,663.38-17,493.64

Finding the Fourth Proportional to 31,640.92, 43,663.38 and 17,493.64

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Solution

The fourth proportional to 31,640.92, 43,663.38 and 17,493.64 is: 24,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,640.92 : 43,663.38 = 17,493.64 : x
  2. Step 2: Convert to fraction form
    31,640.92/43,663.38 = 17,493.64/x
  3. Step 3: Cross multiply
    31,640.92x = 43,663.38 × 17,493.64
  4. Step 4: Simplify right side
    31,640.92x = 763,831,450.90
  5. Step 5: Solve for x
    x = 763,831,450.90/31,640.92
  6. Step 6: Final answer
    x = 24,140.62

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1.5x scale

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.