Home / 30,122.20-41,570.47-17,375.14

Finding the Fourth Proportional to 30,122.20, 41,570.47 and 17,375.14

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Solution

The fourth proportional to 30,122.20, 41,570.47 and 17,375.14 is: 23,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.20 : 41,570.47 = 17,375.14 : x
  2. Step 2: Convert to fraction form
    30,122.20/41,570.47 = 17,375.14/x
  3. Step 3: Cross multiply
    30,122.20x = 41,570.47 × 17,375.14
  4. Step 4: Simplify right side
    30,122.20x = 722,292,712.06
  5. Step 5: Solve for x
    x = 722,292,712.06/30,122.20
  6. Step 6: Final answer
    x = 23,978.75

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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.