Home / 30,183.57-41,655.33-18,247.41

Finding the Fourth Proportional to 30,183.57, 41,655.33 and 18,247.41

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Solution

The fourth proportional to 30,183.57, 41,655.33 and 18,247.41 is: 25,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.57 : 41,655.33 = 18,247.41 : x
  2. Step 2: Convert to fraction form
    30,183.57/41,655.33 = 18,247.41/x
  3. Step 3: Cross multiply
    30,183.57x = 41,655.33 × 18,247.41
  4. Step 4: Simplify right side
    30,183.57x = 760,101,885.20
  5. Step 5: Solve for x
    x = 760,101,885.20/30,183.57
  6. Step 6: Final answer
    x = 25,182.64

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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.