Home / 30,672.26-42,329.22-17,247.74

Finding the Fourth Proportional to 30,672.26, 42,329.22 and 17,247.74

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Solution

The fourth proportional to 30,672.26, 42,329.22 and 17,247.74 is: 23,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.26 : 42,329.22 = 17,247.74 : x
  2. Step 2: Convert to fraction form
    30,672.26/42,329.22 = 17,247.74/x
  3. Step 3: Cross multiply
    30,672.26x = 42,329.22 × 17,247.74
  4. Step 4: Simplify right side
    30,672.26x = 730,083,380.96
  5. Step 5: Solve for x
    x = 730,083,380.96/30,672.26
  6. Step 6: Final answer
    x = 23,802.73

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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.