Home / 38,168.97-52,670.56-21,172.54

Finding the Fourth Proportional to 38,168.97, 52,670.56 and 21,172.54

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Solution

The fourth proportional to 38,168.97, 52,670.56 and 21,172.54 is: 29,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.97 : 52,670.56 = 21,172.54 : x
  2. Step 2: Convert to fraction form
    38,168.97/52,670.56 = 21,172.54/x
  3. Step 3: Cross multiply
    38,168.97x = 52,670.56 × 21,172.54
  4. Step 4: Simplify right side
    38,168.97x = 1,115,169,169.21
  5. Step 5: Solve for x
    x = 1,115,169,169.21/38,168.97
  6. Step 6: Final answer
    x = 29,216.64

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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.