Home / 40,742.44-61,074.78-13,021.48

Finding the Fourth Proportional to 40,742.44, 61,074.78 and 13,021.48

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Solution

The fourth proportional to 40,742.44, 61,074.78 and 13,021.48 is: 19,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.44 : 61,074.78 = 13,021.48 : x
  2. Step 2: Convert to fraction form
    40,742.44/61,074.78 = 13,021.48/x
  3. Step 3: Cross multiply
    40,742.44x = 61,074.78 × 13,021.48
  4. Step 4: Simplify right side
    40,742.44x = 795,284,026.27
  5. Step 5: Solve for x
    x = 795,284,026.27/40,742.44
  6. Step 6: Final answer
    x = 19,519.79

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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.