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Finding the Fourth Proportional to 41,656.56, 62,485.74 and 13,576.56

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Solution

The fourth proportional to 41,656.56, 62,485.74 and 13,576.56 is: 20,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,656.56 : 62,485.74 = 13,576.56 : x
  2. Step 2: Convert to fraction form
    41,656.56/62,485.74 = 13,576.56/x
  3. Step 3: Cross multiply
    41,656.56x = 62,485.74 × 13,576.56
  4. Step 4: Simplify right side
    41,656.56x = 848,341,398.25
  5. Step 5: Solve for x
    x = 848,341,398.25/41,656.56
  6. Step 6: Final answer
    x = 20,365.13

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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.