Home / 39,589-54,631.22-23,682.24

Finding the Fourth Proportional to 39,589, 54,631.22 and 23,682.24

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Solution

The fourth proportional to 39,589, 54,631.22 and 23,682.24 is: 32,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,589 : 54,631.22 = 23,682.24 : x
  2. Step 2: Convert to fraction form
    39,589/54,631.22 = 23,682.24/x
  3. Step 3: Cross multiply
    39,589x = 54,631.22 × 23,682.24
  4. Step 4: Simplify right side
    39,589x = 1,293,789,663.53
  5. Step 5: Solve for x
    x = 1,293,789,663.53/39,589
  6. Step 6: Final answer
    x = 32,680.53

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Double scale
Find fourth proportional to 39,590, 54,632.60 and 23,683.24
Similar ratio
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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.