Home / 30,200.08-41,676.36-16,771.56

Finding the Fourth Proportional to 30,200.08, 41,676.36 and 16,771.56

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Solution

The fourth proportional to 30,200.08, 41,676.36 and 16,771.56 is: 23,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.08 : 41,676.36 = 16,771.56 : x
  2. Step 2: Convert to fraction form
    30,200.08/41,676.36 = 16,771.56/x
  3. Step 3: Cross multiply
    30,200.08x = 41,676.36 × 16,771.56
  4. Step 4: Simplify right side
    30,200.08x = 698,977,423.90
  5. Step 5: Solve for x
    x = 698,977,423.90/30,200.08
  6. Step 6: Final answer
    x = 23,144.89

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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.