Home / 38,734.56-53,449.25-21,736.49

Finding the Fourth Proportional to 38,734.56, 53,449.25 and 21,736.49

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Solution

The fourth proportional to 38,734.56, 53,449.25 and 21,736.49 is: 29,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,734.56 : 53,449.25 = 21,736.49 : x
  2. Step 2: Convert to fraction form
    38,734.56/53,449.25 = 21,736.49/x
  3. Step 3: Cross multiply
    38,734.56x = 53,449.25 × 21,736.49
  4. Step 4: Simplify right side
    38,734.56x = 1,161,798,712.20
  5. Step 5: Solve for x
    x = 1,161,798,712.20/38,734.56
  6. Step 6: Final answer
    x = 29,993.85

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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.