Home / 31,755.15-43,827.83-18,324.54

Finding the Fourth Proportional to 31,755.15, 43,827.83 and 18,324.54

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Solution

The fourth proportional to 31,755.15, 43,827.83 and 18,324.54 is: 25,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.15 : 43,827.83 = 18,324.54 : x
  2. Step 2: Convert to fraction form
    31,755.15/43,827.83 = 18,324.54/x
  3. Step 3: Cross multiply
    31,755.15x = 43,827.83 × 18,324.54
  4. Step 4: Simplify right side
    31,755.15x = 803,124,732.33
  5. Step 5: Solve for x
    x = 803,124,732.33/31,755.15
  6. Step 6: Final answer
    x = 25,291.16

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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.