Home / 31,231.66-43,100.38-17,084.50

Finding the Fourth Proportional to 31,231.66, 43,100.38 and 17,084.50

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Solution

The fourth proportional to 31,231.66, 43,100.38 and 17,084.50 is: 23,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.66 : 43,100.38 = 17,084.50 : x
  2. Step 2: Convert to fraction form
    31,231.66/43,100.38 = 17,084.50/x
  3. Step 3: Cross multiply
    31,231.66x = 43,100.38 × 17,084.50
  4. Step 4: Simplify right side
    31,231.66x = 736,348,399.40
  5. Step 5: Solve for x
    x = 736,348,399.40/31,231.66
  6. Step 6: Final answer
    x = 23,576.99

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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.