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Finding the Fourth Proportional to 45,796.51, 68,704.63 and 14,205.94

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Solution

The fourth proportional to 45,796.51, 68,704.63 and 14,205.94 is: 21,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,796.51 : 68,704.63 = 14,205.94 : x
  2. Step 2: Convert to fraction form
    45,796.51/68,704.63 = 14,205.94/x
  3. Step 3: Cross multiply
    45,796.51x = 68,704.63 × 14,205.94
  4. Step 4: Simplify right side
    45,796.51x = 976,013,851.50
  5. Step 5: Solve for x
    x = 976,013,851.50/45,796.51
  6. Step 6: Final answer
    x = 21,311.97

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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.