Home / 39,212.80-58,786.11-17,009.46

Finding the Fourth Proportional to 39,212.80, 58,786.11 and 17,009.46

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Solution

The fourth proportional to 39,212.80, 58,786.11 and 17,009.46 is: 25,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.80 : 58,786.11 = 17,009.46 : x
  2. Step 2: Convert to fraction form
    39,212.80/58,786.11 = 17,009.46/x
  3. Step 3: Cross multiply
    39,212.80x = 58,786.11 × 17,009.46
  4. Step 4: Simplify right side
    39,212.80x = 999,919,986.60
  5. Step 5: Solve for x
    x = 999,919,986.60/39,212.80
  6. Step 6: Final answer
    x = 25,499.84

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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.