Home / 31,285.17-43,162.97-17,846.97

Finding the Fourth Proportional to 31,285.17, 43,162.97 and 17,846.97

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Solution

The fourth proportional to 31,285.17, 43,162.97 and 17,846.97 is: 24,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.17 : 43,162.97 = 17,846.97 : x
  2. Step 2: Convert to fraction form
    31,285.17/43,162.97 = 17,846.97/x
  3. Step 3: Cross multiply
    31,285.17x = 43,162.97 × 17,846.97
  4. Step 4: Simplify right side
    31,285.17x = 770,328,141.47
  5. Step 5: Solve for x
    x = 770,328,141.47/31,285.17
  6. Step 6: Final answer
    x = 24,622.79

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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.