Home / 31,284.75-43,173.64-17,855.73

Finding the Fourth Proportional to 31,284.75, 43,173.64 and 17,855.73

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Solution

The fourth proportional to 31,284.75, 43,173.64 and 17,855.73 is: 24,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.75 : 43,173.64 = 17,855.73 : x
  2. Step 2: Convert to fraction form
    31,284.75/43,173.64 = 17,855.73/x
  3. Step 3: Cross multiply
    31,284.75x = 43,173.64 × 17,855.73
  4. Step 4: Simplify right side
    31,284.75x = 770,896,858.96
  5. Step 5: Solve for x
    x = 770,896,858.96/31,284.75
  6. Step 6: Final answer
    x = 24,641.30

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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.