Home / 31,261.26-43,140.24-17,114.07

Finding the Fourth Proportional to 31,261.26, 43,140.24 and 17,114.07

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Solution

The fourth proportional to 31,261.26, 43,140.24 and 17,114.07 is: 23,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.26 : 43,140.24 = 17,114.07 : x
  2. Step 2: Convert to fraction form
    31,261.26/43,140.24 = 17,114.07/x
  3. Step 3: Cross multiply
    31,261.26x = 43,140.24 × 17,114.07
  4. Step 4: Simplify right side
    31,261.26x = 738,305,087.18
  5. Step 5: Solve for x
    x = 738,305,087.18/31,261.26
  6. Step 6: Final answer
    x = 23,617.25

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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.