Home / 31,321.14-43,222.86-17,174.22

Finding the Fourth Proportional to 31,321.14, 43,222.86 and 17,174.22

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Solution

The fourth proportional to 31,321.14, 43,222.86 and 17,174.22 is: 23,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,321.14 : 43,222.86 = 17,174.22 : x
  2. Step 2: Convert to fraction form
    31,321.14/43,222.86 = 17,174.22/x
  3. Step 3: Cross multiply
    31,321.14x = 43,222.86 × 17,174.22
  4. Step 4: Simplify right side
    31,321.14x = 742,318,906.67
  5. Step 5: Solve for x
    x = 742,318,906.67/31,321.14
  6. Step 6: Final answer
    x = 23,700.25

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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.