Home / 31,236.85-43,107.93-17,089.70

Finding the Fourth Proportional to 31,236.85, 43,107.93 and 17,089.70

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Solution

The fourth proportional to 31,236.85, 43,107.93 and 17,089.70 is: 23,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.85 : 43,107.93 = 17,089.70 : x
  2. Step 2: Convert to fraction form
    31,236.85/43,107.93 = 17,089.70/x
  3. Step 3: Cross multiply
    31,236.85x = 43,107.93 × 17,089.70
  4. Step 4: Simplify right side
    31,236.85x = 736,701,375.78
  5. Step 5: Solve for x
    x = 736,701,375.78/31,236.85
  6. Step 6: Final answer
    x = 23,584.37

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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.