Home / 40,451.78-60,672-17,072.75

Finding the Fourth Proportional to 40,451.78, 60,672 and 17,072.75

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Solution

The fourth proportional to 40,451.78, 60,672 and 17,072.75 is: 25,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.78 : 60,672 = 17,072.75 : x
  2. Step 2: Convert to fraction form
    40,451.78/60,672 = 17,072.75/x
  3. Step 3: Cross multiply
    40,451.78x = 60,672 × 17,072.75
  4. Step 4: Simplify right side
    40,451.78x = 1,035,837,888
  5. Step 5: Solve for x
    x = 1,035,837,888/40,451.78
  6. Step 6: Final answer
    x = 25,606.73

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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.