Home / 31,284.96-43,173.23-17,137.80

Finding the Fourth Proportional to 31,284.96, 43,173.23 and 17,137.80

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Solution

The fourth proportional to 31,284.96, 43,173.23 and 17,137.80 is: 23,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.96 : 43,173.23 = 17,137.80 : x
  2. Step 2: Convert to fraction form
    31,284.96/43,173.23 = 17,137.80/x
  3. Step 3: Cross multiply
    31,284.96x = 43,173.23 × 17,137.80
  4. Step 4: Simplify right side
    31,284.96x = 739,894,181.09
  5. Step 5: Solve for x
    x = 739,894,181.09/31,284.96
  6. Step 6: Final answer
    x = 23,650.16

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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.