Home / 31,447.58-43,396.97-18,026.75

Finding the Fourth Proportional to 31,447.58, 43,396.97 and 18,026.75

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Solution

The fourth proportional to 31,447.58, 43,396.97 and 18,026.75 is: 24,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.58 : 43,396.97 = 18,026.75 : x
  2. Step 2: Convert to fraction form
    31,447.58/43,396.97 = 18,026.75/x
  3. Step 3: Cross multiply
    31,447.58x = 43,396.97 × 18,026.75
  4. Step 4: Simplify right side
    31,447.58x = 782,306,347.31
  5. Step 5: Solve for x
    x = 782,306,347.31/31,447.58
  6. Step 6: Final answer
    x = 24,876.52

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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.