Home / 31,650.85-43,683.54-18,229.87

Finding the Fourth Proportional to 31,650.85, 43,683.54 and 18,229.87

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Solution

The fourth proportional to 31,650.85, 43,683.54 and 18,229.87 is: 25,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.85 : 43,683.54 = 18,229.87 : x
  2. Step 2: Convert to fraction form
    31,650.85/43,683.54 = 18,229.87/x
  3. Step 3: Cross multiply
    31,650.85x = 43,683.54 × 18,229.87
  4. Step 4: Simplify right side
    31,650.85x = 796,345,255.34
  5. Step 5: Solve for x
    x = 796,345,255.34/31,650.85
  6. Step 6: Final answer
    x = 25,160.31

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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.