Home / 31,227.95-43,090.94-18,481.69

Finding the Fourth Proportional to 31,227.95, 43,090.94 and 18,481.69

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Solution

The fourth proportional to 31,227.95, 43,090.94 and 18,481.69 is: 25,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,227.95 : 43,090.94 = 18,481.69 : x
  2. Step 2: Convert to fraction form
    31,227.95/43,090.94 = 18,481.69/x
  3. Step 3: Cross multiply
    31,227.95x = 43,090.94 × 18,481.69
  4. Step 4: Simplify right side
    31,227.95x = 796,393,394.89
  5. Step 5: Solve for x
    x = 796,393,394.89/31,227.95
  6. Step 6: Final answer
    x = 25,502.58

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Half scale
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Double scale
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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.