Home / 31,311.96-43,213.23-17,167.50

Finding the Fourth Proportional to 31,311.96, 43,213.23 and 17,167.50

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Solution

The fourth proportional to 31,311.96, 43,213.23 and 17,167.50 is: 23,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.96 : 43,213.23 = 17,167.50 : x
  2. Step 2: Convert to fraction form
    31,311.96/43,213.23 = 17,167.50/x
  3. Step 3: Cross multiply
    31,311.96x = 43,213.23 × 17,167.50
  4. Step 4: Simplify right side
    31,311.96x = 741,863,126.03
  5. Step 5: Solve for x
    x = 741,863,126.03/31,311.96
  6. Step 6: Final answer
    x = 23,692.64

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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.