Home / 31,290.98-43,181.65-16,950.96

Finding the Fourth Proportional to 31,290.98, 43,181.65 and 16,950.96

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Solution

The fourth proportional to 31,290.98, 43,181.65 and 16,950.96 is: 23,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.98 : 43,181.65 = 16,950.96 : x
  2. Step 2: Convert to fraction form
    31,290.98/43,181.65 = 16,950.96/x
  3. Step 3: Cross multiply
    31,290.98x = 43,181.65 × 16,950.96
  4. Step 4: Simplify right side
    31,290.98x = 731,970,121.22
  5. Step 5: Solve for x
    x = 731,970,121.22/31,290.98
  6. Step 6: Final answer
    x = 23,392.37

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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.