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Finding the Fourth Proportional to 44,134.80, 66,205.98 and 12,544.98

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Solution

The fourth proportional to 44,134.80, 66,205.98 and 12,544.98 is: 18,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,134.80 : 66,205.98 = 12,544.98 : x
  2. Step 2: Convert to fraction form
    44,134.80/66,205.98 = 12,544.98/x
  3. Step 3: Cross multiply
    44,134.80x = 66,205.98 × 12,544.98
  4. Step 4: Simplify right side
    44,134.80x = 830,552,694.98
  5. Step 5: Solve for x
    x = 830,552,694.98/44,134.80
  6. Step 6: Final answer
    x = 18,818.54

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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.