Home / 34,181.66-47,163.64-19,643.03

Finding the Fourth Proportional to 34,181.66, 47,163.64 and 19,643.03

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Solution

The fourth proportional to 34,181.66, 47,163.64 and 19,643.03 is: 27,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.66 : 47,163.64 = 19,643.03 : x
  2. Step 2: Convert to fraction form
    34,181.66/47,163.64 = 19,643.03/x
  3. Step 3: Cross multiply
    34,181.66x = 47,163.64 × 19,643.03
  4. Step 4: Simplify right side
    34,181.66x = 926,436,461.40
  5. Step 5: Solve for x
    x = 926,436,461.40/34,181.66
  6. Step 6: Final answer
    x = 27,103.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.