Home / 31,612.01-43,629.15-18,865.73

Finding the Fourth Proportional to 31,612.01, 43,629.15 and 18,865.73

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Solution

The fourth proportional to 31,612.01, 43,629.15 and 18,865.73 is: 26,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.01 : 43,629.15 = 18,865.73 : x
  2. Step 2: Convert to fraction form
    31,612.01/43,629.15 = 18,865.73/x
  3. Step 3: Cross multiply
    31,612.01x = 43,629.15 × 18,865.73
  4. Step 4: Simplify right side
    31,612.01x = 823,095,764.03
  5. Step 5: Solve for x
    x = 823,095,764.03/31,612.01
  6. Step 6: Final answer
    x = 26,037.44

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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.