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Finding the Fourth Proportional to 45,964.02, 68,950.01 and 12,684.09

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Solution

The fourth proportional to 45,964.02, 68,950.01 and 12,684.09 is: 19,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,964.02 : 68,950.01 = 12,684.09 : x
  2. Step 2: Convert to fraction form
    45,964.02/68,950.01 = 12,684.09/x
  3. Step 3: Cross multiply
    45,964.02x = 68,950.01 × 12,684.09
  4. Step 4: Simplify right side
    45,964.02x = 874,568,422.61
  5. Step 5: Solve for x
    x = 874,568,422.61/45,964.02
  6. Step 6: Final answer
    x = 19,027.24

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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.