Home / 38,183.38-52,690.54-21,186.55

Finding the Fourth Proportional to 38,183.38, 52,690.54 and 21,186.55

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Solution

The fourth proportional to 38,183.38, 52,690.54 and 21,186.55 is: 29,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,183.38 : 52,690.54 = 21,186.55 : x
  2. Step 2: Convert to fraction form
    38,183.38/52,690.54 = 21,186.55/x
  3. Step 3: Cross multiply
    38,183.38x = 52,690.54 × 21,186.55
  4. Step 4: Simplify right side
    38,183.38x = 1,116,330,654.48
  5. Step 5: Solve for x
    x = 1,116,330,654.48/38,183.38
  6. Step 6: Final answer
    x = 29,236.03

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Half scale
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Find fourth proportional to 38,184.38, 52,691.92 and 21,187.55
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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.