Home / 31,379.98-43,305.06-17,232.88

Finding the Fourth Proportional to 31,379.98, 43,305.06 and 17,232.88

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Solution

The fourth proportional to 31,379.98, 43,305.06 and 17,232.88 is: 23,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.98 : 43,305.06 = 17,232.88 : x
  2. Step 2: Convert to fraction form
    31,379.98/43,305.06 = 17,232.88/x
  3. Step 3: Cross multiply
    31,379.98x = 43,305.06 × 17,232.88
  4. Step 4: Simplify right side
    31,379.98x = 746,270,902.37
  5. Step 5: Solve for x
    x = 746,270,902.37/31,379.98
  6. Step 6: Final answer
    x = 23,781.75

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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.