Home / 39,174.99-58,766.66-12,511.66

Finding the Fourth Proportional to 39,174.99, 58,766.66 and 12,511.66

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Solution

The fourth proportional to 39,174.99, 58,766.66 and 12,511.66 is: 18,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.99 : 58,766.66 = 12,511.66 : x
  2. Step 2: Convert to fraction form
    39,174.99/58,766.66 = 12,511.66/x
  3. Step 3: Cross multiply
    39,174.99x = 58,766.66 × 12,511.66
  4. Step 4: Simplify right side
    39,174.99x = 735,268,406.70
  5. Step 5: Solve for x
    x = 735,268,406.70/39,174.99
  6. Step 6: Final answer
    x = 18,768.82

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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.