Home / 30,791.75-42,491.33-17,365.84

Finding the Fourth Proportional to 30,791.75, 42,491.33 and 17,365.84

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Solution

The fourth proportional to 30,791.75, 42,491.33 and 17,365.84 is: 23,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.75 : 42,491.33 = 17,365.84 : x
  2. Step 2: Convert to fraction form
    30,791.75/42,491.33 = 17,365.84/x
  3. Step 3: Cross multiply
    30,791.75x = 42,491.33 × 17,365.84
  4. Step 4: Simplify right side
    30,791.75x = 737,897,846.93
  5. Step 5: Solve for x
    x = 737,897,846.93/30,791.75
  6. Step 6: Final answer
    x = 23,964.15

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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.