Home / 30,188.88-41,662.55-16,760.37

Finding the Fourth Proportional to 30,188.88, 41,662.55 and 16,760.37

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Solution

The fourth proportional to 30,188.88, 41,662.55 and 16,760.37 is: 23,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.88 : 41,662.55 = 16,760.37 : x
  2. Step 2: Convert to fraction form
    30,188.88/41,662.55 = 16,760.37/x
  3. Step 3: Cross multiply
    30,188.88x = 41,662.55 × 16,760.37
  4. Step 4: Simplify right side
    30,188.88x = 698,279,716.93
  5. Step 5: Solve for x
    x = 698,279,716.93/30,188.88
  6. Step 6: Final answer
    x = 23,130.36

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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.