Home / 31,341.96-43,255.62-18,766.44

Finding the Fourth Proportional to 31,341.96, 43,255.62 and 18,766.44

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Solution

The fourth proportional to 31,341.96, 43,255.62 and 18,766.44 is: 25,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.96 : 43,255.62 = 18,766.44 : x
  2. Step 2: Convert to fraction form
    31,341.96/43,255.62 = 18,766.44/x
  3. Step 3: Cross multiply
    31,341.96x = 43,255.62 × 18,766.44
  4. Step 4: Simplify right side
    31,341.96x = 811,753,997.39
  5. Step 5: Solve for x
    x = 811,753,997.39/31,341.96
  6. Step 6: Final answer
    x = 25,899.91

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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.