Home / 31,522.66-43,501.27-17,375.80

Finding the Fourth Proportional to 31,522.66, 43,501.27 and 17,375.80

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Solution

The fourth proportional to 31,522.66, 43,501.27 and 17,375.80 is: 23,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.66 : 43,501.27 = 17,375.80 : x
  2. Step 2: Convert to fraction form
    31,522.66/43,501.27 = 17,375.80/x
  3. Step 3: Cross multiply
    31,522.66x = 43,501.27 × 17,375.80
  4. Step 4: Simplify right side
    31,522.66x = 755,869,367.27
  5. Step 5: Solve for x
    x = 755,869,367.27/31,522.66
  6. Step 6: Final answer
    x = 23,978.60

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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.