Home / 39,173.22-58,781.34-16,986.78

Finding the Fourth Proportional to 39,173.22, 58,781.34 and 16,986.78

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Solution

The fourth proportional to 39,173.22, 58,781.34 and 16,986.78 is: 25,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.22 : 58,781.34 = 16,986.78 : x
  2. Step 2: Convert to fraction form
    39,173.22/58,781.34 = 16,986.78/x
  3. Step 3: Cross multiply
    39,173.22x = 58,781.34 × 16,986.78
  4. Step 4: Simplify right side
    39,173.22x = 998,505,690.69
  5. Step 5: Solve for x
    x = 998,505,690.69/39,173.22
  6. Step 6: Final answer
    x = 25,489.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.