Home / 30,214.72-41,696.04-16,786

Finding the Fourth Proportional to 30,214.72, 41,696.04 and 16,786

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Solution

The fourth proportional to 30,214.72, 41,696.04 and 16,786 is: 23,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.72 : 41,696.04 = 16,786 : x
  2. Step 2: Convert to fraction form
    30,214.72/41,696.04 = 16,786/x
  3. Step 3: Cross multiply
    30,214.72x = 41,696.04 × 16,786
  4. Step 4: Simplify right side
    30,214.72x = 699,909,727.44
  5. Step 5: Solve for x
    x = 699,909,727.44/30,214.72
  6. Step 6: Final answer
    x = 23,164.53

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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.