Home / 31,231.72-43,099.77-17,084.53

Finding the Fourth Proportional to 31,231.72, 43,099.77 and 17,084.53

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Solution

The fourth proportional to 31,231.72, 43,099.77 and 17,084.53 is: 23,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.72 : 43,099.77 = 17,084.53 : x
  2. Step 2: Convert to fraction form
    31,231.72/43,099.77 = 17,084.53/x
  3. Step 3: Cross multiply
    31,231.72x = 43,099.77 × 17,084.53
  4. Step 4: Simplify right side
    31,231.72x = 736,339,313.56
  5. Step 5: Solve for x
    x = 736,339,313.56/31,231.72
  6. Step 6: Final answer
    x = 23,576.65

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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.