Home / 30,749.25-46,123.07-8,561.73

Finding the Fourth Proportional to 30,749.25, 46,123.07 and 8,561.73

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Solution

The fourth proportional to 30,749.25, 46,123.07 and 8,561.73 is: 12,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.25 : 46,123.07 = 8,561.73 : x
  2. Step 2: Convert to fraction form
    30,749.25/46,123.07 = 8,561.73/x
  3. Step 3: Cross multiply
    30,749.25x = 46,123.07 × 8,561.73
  4. Step 4: Simplify right side
    30,749.25x = 394,893,229.30
  5. Step 5: Solve for x
    x = 394,893,229.30/30,749.25
  6. Step 6: Final answer
    x = 12,842.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.