Home / 31,459.60-43,414.22-17,312.44

Finding the Fourth Proportional to 31,459.60, 43,414.22 and 17,312.44

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Solution

The fourth proportional to 31,459.60, 43,414.22 and 17,312.44 is: 23,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.60 : 43,414.22 = 17,312.44 : x
  2. Step 2: Convert to fraction form
    31,459.60/43,414.22 = 17,312.44/x
  3. Step 3: Cross multiply
    31,459.60x = 43,414.22 × 17,312.44
  4. Step 4: Simplify right side
    31,459.60x = 751,605,997.66
  5. Step 5: Solve for x
    x = 751,605,997.66/31,459.60
  6. Step 6: Final answer
    x = 23,891.15

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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.