Home / 31,811.82-43,900.80-17,664.80

Finding the Fourth Proportional to 31,811.82, 43,900.80 and 17,664.80

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Solution

The fourth proportional to 31,811.82, 43,900.80 and 17,664.80 is: 24,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.82 : 43,900.80 = 17,664.80 : x
  2. Step 2: Convert to fraction form
    31,811.82/43,900.80 = 17,664.80/x
  3. Step 3: Cross multiply
    31,811.82x = 43,900.80 × 17,664.80
  4. Step 4: Simplify right side
    31,811.82x = 775,498,851.84
  5. Step 5: Solve for x
    x = 775,498,851.84/31,811.82
  6. Step 6: Final answer
    x = 24,377.70

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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.