Home / 38,408.27-57,605.11-12,105.95

Finding the Fourth Proportional to 38,408.27, 57,605.11 and 12,105.95

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Solution

The fourth proportional to 38,408.27, 57,605.11 and 12,105.95 is: 18,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.27 : 57,605.11 = 12,105.95 : x
  2. Step 2: Convert to fraction form
    38,408.27/57,605.11 = 12,105.95/x
  3. Step 3: Cross multiply
    38,408.27x = 57,605.11 × 12,105.95
  4. Step 4: Simplify right side
    38,408.27x = 697,364,263.11
  5. Step 5: Solve for x
    x = 697,364,263.11/38,408.27
  6. Step 6: Final answer
    x = 18,156.62

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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.