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Finding the Fourth Proportional to 44,043.88, 66,072.70 and 14,454.98

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Solution

The fourth proportional to 44,043.88, 66,072.70 and 14,454.98 is: 21,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,043.88 : 66,072.70 = 14,454.98 : x
  2. Step 2: Convert to fraction form
    44,043.88/66,072.70 = 14,454.98/x
  3. Step 3: Cross multiply
    44,043.88x = 66,072.70 × 14,454.98
  4. Step 4: Simplify right side
    44,043.88x = 955,079,557.05
  5. Step 5: Solve for x
    x = 955,079,557.05/44,043.88
  6. Step 6: Final answer
    x = 21,684.73

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1.5x scale

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.