Home / 39,418.56-54,398.25-23,512.32

Finding the Fourth Proportional to 39,418.56, 54,398.25 and 23,512.32

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Solution

The fourth proportional to 39,418.56, 54,398.25 and 23,512.32 is: 32,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.56 : 54,398.25 = 23,512.32 : x
  2. Step 2: Convert to fraction form
    39,418.56/54,398.25 = 23,512.32/x
  3. Step 3: Cross multiply
    39,418.56x = 54,398.25 × 23,512.32
  4. Step 4: Simplify right side
    39,418.56x = 1,279,029,061.44
  5. Step 5: Solve for x
    x = 1,279,029,061.44/39,418.56
  6. Step 6: Final answer
    x = 32,447.38

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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.