Home / 31,231.47-43,099.43-17,084.28

Finding the Fourth Proportional to 31,231.47, 43,099.43 and 17,084.28

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Solution

The fourth proportional to 31,231.47, 43,099.43 and 17,084.28 is: 23,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.47 : 43,099.43 = 17,084.28 : x
  2. Step 2: Convert to fraction form
    31,231.47/43,099.43 = 17,084.28/x
  3. Step 3: Cross multiply
    31,231.47x = 43,099.43 × 17,084.28
  4. Step 4: Simplify right side
    31,231.47x = 736,322,644.54
  5. Step 5: Solve for x
    x = 736,322,644.54/31,231.47
  6. Step 6: Final answer
    x = 23,576.30

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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.