Home / 40,521.86-60,782.70-10,942.64

Finding the Fourth Proportional to 40,521.86, 60,782.70 and 10,942.64

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Solution

The fourth proportional to 40,521.86, 60,782.70 and 10,942.64 is: 16,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,521.86 : 60,782.70 = 10,942.64 : x
  2. Step 2: Convert to fraction form
    40,521.86/60,782.70 = 10,942.64/x
  3. Step 3: Cross multiply
    40,521.86x = 60,782.70 × 10,942.64
  4. Step 4: Simplify right side
    40,521.86x = 665,123,204.33
  5. Step 5: Solve for x
    x = 665,123,204.33/40,521.86
  6. Step 6: Final answer
    x = 16,413.94

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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.