Home / 38,243.28-52,839.08-30,238.18

Finding the Fourth Proportional to 38,243.28, 52,839.08 and 30,238.18

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Solution

The fourth proportional to 38,243.28, 52,839.08 and 30,238.18 is: 41,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.28 : 52,839.08 = 30,238.18 : x
  2. Step 2: Convert to fraction form
    38,243.28/52,839.08 = 30,238.18/x
  3. Step 3: Cross multiply
    38,243.28x = 52,839.08 × 30,238.18
  4. Step 4: Simplify right side
    38,243.28x = 1,597,757,612.07
  5. Step 5: Solve for x
    x = 1,597,757,612.07/38,243.28
  6. Step 6: Final answer
    x = 41,778.78

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Half scale
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Double scale
Find fourth proportional to 38,244.28, 52,840.46 and 30,239.18
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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.