Home / 31,819.22-43,909.89-17,671.58

Finding the Fourth Proportional to 31,819.22, 43,909.89 and 17,671.58

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Solution

The fourth proportional to 31,819.22, 43,909.89 and 17,671.58 is: 24,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.22 : 43,909.89 = 17,671.58 : x
  2. Step 2: Convert to fraction form
    31,819.22/43,909.89 = 17,671.58/x
  3. Step 3: Cross multiply
    31,819.22x = 43,909.89 × 17,671.58
  4. Step 4: Simplify right side
    31,819.22x = 775,957,133.93
  5. Step 5: Solve for x
    x = 775,957,133.93/31,819.22
  6. Step 6: Final answer
    x = 24,386.43

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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.