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Finding the Fourth Proportional to 44,806.56, 67,219.56 and 13,641

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Solution

The fourth proportional to 44,806.56, 67,219.56 and 13,641 is: 20,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,806.56 : 67,219.56 = 13,641 : x
  2. Step 2: Convert to fraction form
    44,806.56/67,219.56 = 13,641/x
  3. Step 3: Cross multiply
    44,806.56x = 67,219.56 × 13,641
  4. Step 4: Simplify right side
    44,806.56x = 916,942,017.96
  5. Step 5: Solve for x
    x = 916,942,017.96/44,806.56
  6. Step 6: Final answer
    x = 20,464.46

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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.