Home / 38,286.06-52,839.51-21,519.06

Finding the Fourth Proportional to 38,286.06, 52,839.51 and 21,519.06

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Solution

The fourth proportional to 38,286.06, 52,839.51 and 21,519.06 is: 29,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.06 : 52,839.51 = 21,519.06 : x
  2. Step 2: Convert to fraction form
    38,286.06/52,839.51 = 21,519.06/x
  3. Step 3: Cross multiply
    38,286.06x = 52,839.51 × 21,519.06
  4. Step 4: Simplify right side
    38,286.06x = 1,137,056,586.06
  5. Step 5: Solve for x
    x = 1,137,056,586.06/38,286.06
  6. Step 6: Final answer
    x = 29,698.97

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Half scale
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Double scale
Find fourth proportional to 38,287.06, 52,840.89 and 21,520.06
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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.