Home / 30,247.35-41,741.20-16,817.80

Finding the Fourth Proportional to 30,247.35, 41,741.20 and 16,817.80

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Solution

The fourth proportional to 30,247.35, 41,741.20 and 16,817.80 is: 23,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.35 : 41,741.20 = 16,817.80 : x
  2. Step 2: Convert to fraction form
    30,247.35/41,741.20 = 16,817.80/x
  3. Step 3: Cross multiply
    30,247.35x = 41,741.20 × 16,817.80
  4. Step 4: Simplify right side
    30,247.35x = 701,995,226.56
  5. Step 5: Solve for x
    x = 701,995,226.56/30,247.35
  6. Step 6: Final answer
    x = 23,208.49

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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.