Home / 38,561.78-57,846.92-12,260.37

Finding the Fourth Proportional to 38,561.78, 57,846.92 and 12,260.37

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Solution

The fourth proportional to 38,561.78, 57,846.92 and 12,260.37 is: 18,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.78 : 57,846.92 = 12,260.37 : x
  2. Step 2: Convert to fraction form
    38,561.78/57,846.92 = 12,260.37/x
  3. Step 3: Cross multiply
    38,561.78x = 57,846.92 × 12,260.37
  4. Step 4: Simplify right side
    38,561.78x = 709,224,364.33
  5. Step 5: Solve for x
    x = 709,224,364.33/38,561.78
  6. Step 6: Final answer
    x = 18,391.90

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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.