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Finding the Fourth Proportional to 41,950.56, 62,910 and 12,360

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Solution

The fourth proportional to 41,950.56, 62,910 and 12,360 is: 18,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,950.56 : 62,910 = 12,360 : x
  2. Step 2: Convert to fraction form
    41,950.56/62,910 = 12,360/x
  3. Step 3: Cross multiply
    41,950.56x = 62,910 × 12,360
  4. Step 4: Simplify right side
    41,950.56x = 777,567,600
  5. Step 5: Solve for x
    x = 777,567,600/41,950.56
  6. Step 6: Final answer
    x = 18,535.33

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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.