Home / 30,201.31-41,676.14-16,771.71

Finding the Fourth Proportional to 30,201.31, 41,676.14 and 16,771.71

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Solution

The fourth proportional to 30,201.31, 41,676.14 and 16,771.71 is: 23,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.31 : 41,676.14 = 16,771.71 : x
  2. Step 2: Convert to fraction form
    30,201.31/41,676.14 = 16,771.71/x
  3. Step 3: Cross multiply
    30,201.31x = 41,676.14 × 16,771.71
  4. Step 4: Simplify right side
    30,201.31x = 698,979,925.62
  5. Step 5: Solve for x
    x = 698,979,925.62/30,201.31
  6. Step 6: Final answer
    x = 23,144.03

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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.