Home / 40,351.09-60,536.37-12,649.09

Finding the Fourth Proportional to 40,351.09, 60,536.37 and 12,649.09

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Solution

The fourth proportional to 40,351.09, 60,536.37 and 12,649.09 is: 18,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,351.09 : 60,536.37 = 12,649.09 : x
  2. Step 2: Convert to fraction form
    40,351.09/60,536.37 = 12,649.09/x
  3. Step 3: Cross multiply
    40,351.09x = 60,536.37 × 12,649.09
  4. Step 4: Simplify right side
    40,351.09x = 765,729,992.40
  5. Step 5: Solve for x
    x = 765,729,992.40/40,351.09
  6. Step 6: Final answer
    x = 18,976.69

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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.