Home / 38,942.20-58,408.98-11,240.20

Finding the Fourth Proportional to 38,942.20, 58,408.98 and 11,240.20

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Solution

The fourth proportional to 38,942.20, 58,408.98 and 11,240.20 is: 16,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942.20 : 58,408.98 = 11,240.20 : x
  2. Step 2: Convert to fraction form
    38,942.20/58,408.98 = 11,240.20/x
  3. Step 3: Cross multiply
    38,942.20x = 58,408.98 × 11,240.20
  4. Step 4: Simplify right side
    38,942.20x = 656,528,617.00
  5. Step 5: Solve for x
    x = 656,528,617.00/38,942.20
  6. Step 6: Final answer
    x = 16,859.05

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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.