Home / 30,399.88-41,944.43-17,822.20

Finding the Fourth Proportional to 30,399.88, 41,944.43 and 17,822.20

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Solution

The fourth proportional to 30,399.88, 41,944.43 and 17,822.20 is: 24,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,399.88 : 41,944.43 = 17,822.20 : x
  2. Step 2: Convert to fraction form
    30,399.88/41,944.43 = 17,822.20/x
  3. Step 3: Cross multiply
    30,399.88x = 41,944.43 × 17,822.20
  4. Step 4: Simplify right side
    30,399.88x = 747,542,020.35
  5. Step 5: Solve for x
    x = 747,542,020.35/30,399.88
  6. Step 6: Final answer
    x = 24,590.30

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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.