Home / 31,412.66-43,349.81-17,072.49

Finding the Fourth Proportional to 31,412.66, 43,349.81 and 17,072.49

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Solution

The fourth proportional to 31,412.66, 43,349.81 and 17,072.49 is: 23,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.66 : 43,349.81 = 17,072.49 : x
  2. Step 2: Convert to fraction form
    31,412.66/43,349.81 = 17,072.49/x
  3. Step 3: Cross multiply
    31,412.66x = 43,349.81 × 17,072.49
  4. Step 4: Simplify right side
    31,412.66x = 740,089,338.95
  5. Step 5: Solve for x
    x = 740,089,338.95/31,412.66
  6. Step 6: Final answer
    x = 23,560.22

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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.