Home / 58,385.38-87,578.04-18,942.49

Finding the Fourth Proportional to 58,385.38, 87,578.04 and 18,942.49

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Solution

The fourth proportional to 58,385.38, 87,578.04 and 18,942.49 is: 28,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,385.38 : 87,578.04 = 18,942.49 : x
  2. Step 2: Convert to fraction form
    58,385.38/87,578.04 = 18,942.49/x
  3. Step 3: Cross multiply
    58,385.38x = 87,578.04 × 18,942.49
  4. Step 4: Simplify right side
    58,385.38x = 1,658,946,146.92
  5. Step 5: Solve for x
    x = 1,658,946,146.92/58,385.38
  6. Step 6: Final answer
    x = 28,413.73

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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.