Home / 30,923.20-42,674.34-17,494.60

Finding the Fourth Proportional to 30,923.20, 42,674.34 and 17,494.60

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Solution

The fourth proportional to 30,923.20, 42,674.34 and 17,494.60 is: 24,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.20 : 42,674.34 = 17,494.60 : x
  2. Step 2: Convert to fraction form
    30,923.20/42,674.34 = 17,494.60/x
  3. Step 3: Cross multiply
    30,923.20x = 42,674.34 × 17,494.60
  4. Step 4: Simplify right side
    30,923.20x = 746,570,508.56
  5. Step 5: Solve for x
    x = 746,570,508.56/30,923.20
  6. Step 6: Final answer
    x = 24,142.73

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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.