Home / 31,261.44-43,140.82-17,114.34

Finding the Fourth Proportional to 31,261.44, 43,140.82 and 17,114.34

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Solution

The fourth proportional to 31,261.44, 43,140.82 and 17,114.34 is: 23,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.44 : 43,140.82 = 17,114.34 : x
  2. Step 2: Convert to fraction form
    31,261.44/43,140.82 = 17,114.34/x
  3. Step 3: Cross multiply
    31,261.44x = 43,140.82 × 17,114.34
  4. Step 4: Simplify right side
    31,261.44x = 738,326,661.36
  5. Step 5: Solve for x
    x = 738,326,661.36/31,261.44
  6. Step 6: Final answer
    x = 23,617.81

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1.5x scale

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.