Home / 31,469.56-43,428.28-17,322.50

Finding the Fourth Proportional to 31,469.56, 43,428.28 and 17,322.50

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Solution

The fourth proportional to 31,469.56, 43,428.28 and 17,322.50 is: 23,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.56 : 43,428.28 = 17,322.50 : x
  2. Step 2: Convert to fraction form
    31,469.56/43,428.28 = 17,322.50/x
  3. Step 3: Cross multiply
    31,469.56x = 43,428.28 × 17,322.50
  4. Step 4: Simplify right side
    31,469.56x = 752,286,380.30
  5. Step 5: Solve for x
    x = 752,286,380.30/31,469.56
  6. Step 6: Final answer
    x = 23,905.21

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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.