Home / 30,126.57-41,565.17-17,378.04

Finding the Fourth Proportional to 30,126.57, 41,565.17 and 17,378.04

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Solution

The fourth proportional to 30,126.57, 41,565.17 and 17,378.04 is: 23,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.57 : 41,565.17 = 17,378.04 : x
  2. Step 2: Convert to fraction form
    30,126.57/41,565.17 = 17,378.04/x
  3. Step 3: Cross multiply
    30,126.57x = 41,565.17 × 17,378.04
  4. Step 4: Simplify right side
    30,126.57x = 722,321,099.98
  5. Step 5: Solve for x
    x = 722,321,099.98/30,126.57
  6. Step 6: Final answer
    x = 23,976.21

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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.