Home / 54,469.21-81,684.24-19,401.88

Finding the Fourth Proportional to 54,469.21, 81,684.24 and 19,401.88

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Solution

The fourth proportional to 54,469.21, 81,684.24 and 19,401.88 is: 29,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469.21 : 81,684.24 = 19,401.88 : x
  2. Step 2: Convert to fraction form
    54,469.21/81,684.24 = 19,401.88/x
  3. Step 3: Cross multiply
    54,469.21x = 81,684.24 × 19,401.88
  4. Step 4: Simplify right side
    54,469.21x = 1,584,827,822.37
  5. Step 5: Solve for x
    x = 1,584,827,822.37/54,469.21
  6. Step 6: Final answer
    x = 29,095.85

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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.