Home / 43,198.16-64,802.66-16,899.48

Finding the Fourth Proportional to 43,198.16, 64,802.66 and 16,899.48

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Solution

The fourth proportional to 43,198.16, 64,802.66 and 16,899.48 is: 25,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,198.16 : 64,802.66 = 16,899.48 : x
  2. Step 2: Convert to fraction form
    43,198.16/64,802.66 = 16,899.48/x
  3. Step 3: Cross multiply
    43,198.16x = 64,802.66 × 16,899.48
  4. Step 4: Simplify right side
    43,198.16x = 1,095,131,172.12
  5. Step 5: Solve for x
    x = 1,095,131,172.12/43,198.16
  6. Step 6: Final answer
    x = 25,351.34

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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.