Home / 38,239.41-52,770.34-21,245.22

Finding the Fourth Proportional to 38,239.41, 52,770.34 and 21,245.22

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Solution

The fourth proportional to 38,239.41, 52,770.34 and 21,245.22 is: 29,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.41 : 52,770.34 = 21,245.22 : x
  2. Step 2: Convert to fraction form
    38,239.41/52,770.34 = 21,245.22/x
  3. Step 3: Cross multiply
    38,239.41x = 52,770.34 × 21,245.22
  4. Step 4: Simplify right side
    38,239.41x = 1,121,117,389.83
  5. Step 5: Solve for x
    x = 1,121,117,389.83/38,239.41
  6. Step 6: Final answer
    x = 29,318.38

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Double scale
Find fourth proportional to 38,240.41, 52,771.72 and 21,246.22
Similar ratio
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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.