Home / 57,413.84-79,232.46-31,920.98

Finding the Fourth Proportional to 57,413.84, 79,232.46 and 31,920.98

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Solution

The fourth proportional to 57,413.84, 79,232.46 and 31,920.98 is: 44,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.84 : 79,232.46 = 31,920.98 : x
  2. Step 2: Convert to fraction form
    57,413.84/79,232.46 = 31,920.98/x
  3. Step 3: Cross multiply
    57,413.84x = 79,232.46 × 31,920.98
  4. Step 4: Simplify right side
    57,413.84x = 2,529,177,771.01
  5. Step 5: Solve for x
    x = 2,529,177,771.01/57,413.84
  6. Step 6: Final answer
    x = 44,051.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.