Home / 30,614.81-42,245.55-17,183.44

Finding the Fourth Proportional to 30,614.81, 42,245.55 and 17,183.44

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Solution

The fourth proportional to 30,614.81, 42,245.55 and 17,183.44 is: 23,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.81 : 42,245.55 = 17,183.44 : x
  2. Step 2: Convert to fraction form
    30,614.81/42,245.55 = 17,183.44/x
  3. Step 3: Cross multiply
    30,614.81x = 42,245.55 × 17,183.44
  4. Step 4: Simplify right side
    30,614.81x = 725,923,926.50
  5. Step 5: Solve for x
    x = 725,923,926.50/30,614.81
  6. Step 6: Final answer
    x = 23,711.53

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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.