Home / 45,826.98-68,739.21-14,661.78

Finding the Fourth Proportional to 45,826.98, 68,739.21 and 14,661.78

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Solution

The fourth proportional to 45,826.98, 68,739.21 and 14,661.78 is: 21,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,826.98 : 68,739.21 = 14,661.78 : x
  2. Step 2: Convert to fraction form
    45,826.98/68,739.21 = 14,661.78/x
  3. Step 3: Cross multiply
    45,826.98x = 68,739.21 × 14,661.78
  4. Step 4: Simplify right side
    45,826.98x = 1,007,839,174.39
  5. Step 5: Solve for x
    x = 1,007,839,174.39/45,826.98
  6. Step 6: Final answer
    x = 21,992.27

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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.