Home / 40,413.60-60,647.94-14,118.30

Finding the Fourth Proportional to 40,413.60, 60,647.94 and 14,118.30

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Solution

The fourth proportional to 40,413.60, 60,647.94 and 14,118.30 is: 21,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,413.60 : 60,647.94 = 14,118.30 : x
  2. Step 2: Convert to fraction form
    40,413.60/60,647.94 = 14,118.30/x
  3. Step 3: Cross multiply
    40,413.60x = 60,647.94 × 14,118.30
  4. Step 4: Simplify right side
    40,413.60x = 856,245,811.30
  5. Step 5: Solve for x
    x = 856,245,811.30/40,413.60
  6. Step 6: Final answer
    x = 21,187.07

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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.