Home / 31,220.60-43,084.38-17,073.44

Finding the Fourth Proportional to 31,220.60, 43,084.38 and 17,073.44

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Solution

The fourth proportional to 31,220.60, 43,084.38 and 17,073.44 is: 23,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.60 : 43,084.38 = 17,073.44 : x
  2. Step 2: Convert to fraction form
    31,220.60/43,084.38 = 17,073.44/x
  3. Step 3: Cross multiply
    31,220.60x = 43,084.38 × 17,073.44
  4. Step 4: Simplify right side
    31,220.60x = 735,598,576.87
  5. Step 5: Solve for x
    x = 735,598,576.87/31,220.60
  6. Step 6: Final answer
    x = 23,561.32

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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.