Home / 31,291.10-43,181.76-16,950.96

Finding the Fourth Proportional to 31,291.10, 43,181.76 and 16,950.96

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Solution

The fourth proportional to 31,291.10, 43,181.76 and 16,950.96 is: 23,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.10 : 43,181.76 = 16,950.96 : x
  2. Step 2: Convert to fraction form
    31,291.10/43,181.76 = 16,950.96/x
  3. Step 3: Cross multiply
    31,291.10x = 43,181.76 × 16,950.96
  4. Step 4: Simplify right side
    31,291.10x = 731,972,286.49
  5. Step 5: Solve for x
    x = 731,972,286.49/31,291.10
  6. Step 6: Final answer
    x = 23,392.35

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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.