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Finding the Fourth Proportional to 29,050.61, 43,583.18 and 8,274.11

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Solution

The fourth proportional to 29,050.61, 43,583.18 and 8,274.11 is: 12,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,050.61 : 43,583.18 = 8,274.11 : x
  2. Step 2: Convert to fraction form
    29,050.61/43,583.18 = 8,274.11/x
  3. Step 3: Cross multiply
    29,050.61x = 43,583.18 × 8,274.11
  4. Step 4: Simplify right side
    29,050.61x = 360,611,766.18
  5. Step 5: Solve for x
    x = 360,611,766.18/29,050.61
  6. Step 6: Final answer
    x = 12,413.23

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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.