Home / 39,536.26-54,559.56-21,631.03

Finding the Fourth Proportional to 39,536.26, 54,559.56 and 21,631.03

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Solution

The fourth proportional to 39,536.26, 54,559.56 and 21,631.03 is: 29,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,536.26 : 54,559.56 = 21,631.03 : x
  2. Step 2: Convert to fraction form
    39,536.26/54,559.56 = 21,631.03/x
  3. Step 3: Cross multiply
    39,536.26x = 54,559.56 × 21,631.03
  4. Step 4: Simplify right side
    39,536.26x = 1,180,179,479.15
  5. Step 5: Solve for x
    x = 1,180,179,479.15/39,536.26
  6. Step 6: Final answer
    x = 29,850.56

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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.