Home / 30,122.61-41,571.03-17,375.58

Finding the Fourth Proportional to 30,122.61, 41,571.03 and 17,375.58

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Solution

The fourth proportional to 30,122.61, 41,571.03 and 17,375.58 is: 23,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.61 : 41,571.03 = 17,375.58 : x
  2. Step 2: Convert to fraction form
    30,122.61/41,571.03 = 17,375.58/x
  3. Step 3: Cross multiply
    30,122.61x = 41,571.03 × 17,375.58
  4. Step 4: Simplify right side
    30,122.61x = 722,320,757.45
  5. Step 5: Solve for x
    x = 722,320,757.45/30,122.61
  6. Step 6: Final answer
    x = 23,979.35

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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.