Home / 39,643.26-54,709.56-23,724.78

Finding the Fourth Proportional to 39,643.26, 54,709.56 and 23,724.78

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Solution

The fourth proportional to 39,643.26, 54,709.56 and 23,724.78 is: 32,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.26 : 54,709.56 = 23,724.78 : x
  2. Step 2: Convert to fraction form
    39,643.26/54,709.56 = 23,724.78/x
  3. Step 3: Cross multiply
    39,643.26x = 54,709.56 × 23,724.78
  4. Step 4: Simplify right side
    39,643.26x = 1,297,972,274.90
  5. Step 5: Solve for x
    x = 1,297,972,274.90/39,643.26
  6. Step 6: Final answer
    x = 32,741.31

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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.