Home / 38,939.07-58,408.62-10,857.99

Finding the Fourth Proportional to 38,939.07, 58,408.62 and 10,857.99

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Solution

The fourth proportional to 38,939.07, 58,408.62 and 10,857.99 is: 16,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.07 : 58,408.62 = 10,857.99 : x
  2. Step 2: Convert to fraction form
    38,939.07/58,408.62 = 10,857.99/x
  3. Step 3: Cross multiply
    38,939.07x = 58,408.62 × 10,857.99
  4. Step 4: Simplify right side
    38,939.07x = 634,200,211.87
  5. Step 5: Solve for x
    x = 634,200,211.87/38,939.07
  6. Step 6: Final answer
    x = 16,286.99

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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.