Home / 38,832.54-53,588.44-21,839.64

Finding the Fourth Proportional to 38,832.54, 53,588.44 and 21,839.64

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Solution

The fourth proportional to 38,832.54, 53,588.44 and 21,839.64 is: 30,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,832.54 : 53,588.44 = 21,839.64 : x
  2. Step 2: Convert to fraction form
    38,832.54/53,588.44 = 21,839.64/x
  3. Step 3: Cross multiply
    38,832.54x = 53,588.44 × 21,839.64
  4. Step 4: Simplify right side
    38,832.54x = 1,170,352,237.76
  5. Step 5: Solve for x
    x = 1,170,352,237.76/38,832.54
  6. Step 6: Final answer
    x = 30,138.44

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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.