Home / 31,451.22-43,405.50-18,026.82

Finding the Fourth Proportional to 31,451.22, 43,405.50 and 18,026.82

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Solution

The fourth proportional to 31,451.22, 43,405.50 and 18,026.82 is: 24,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,451.22 : 43,405.50 = 18,026.82 : x
  2. Step 2: Convert to fraction form
    31,451.22/43,405.50 = 18,026.82/x
  3. Step 3: Cross multiply
    31,451.22x = 43,405.50 × 18,026.82
  4. Step 4: Simplify right side
    31,451.22x = 782,463,135.51
  5. Step 5: Solve for x
    x = 782,463,135.51/31,451.22
  6. Step 6: Final answer
    x = 24,878.63

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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.