Home / 38,243.69-52,774.59-21,249.14

Finding the Fourth Proportional to 38,243.69, 52,774.59 and 21,249.14

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Solution

The fourth proportional to 38,243.69, 52,774.59 and 21,249.14 is: 29,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.69 : 52,774.59 = 21,249.14 : x
  2. Step 2: Convert to fraction form
    38,243.69/52,774.59 = 21,249.14/x
  3. Step 3: Cross multiply
    38,243.69x = 52,774.59 × 21,249.14
  4. Step 4: Simplify right side
    38,243.69x = 1,121,414,347.64
  5. Step 5: Solve for x
    x = 1,121,414,347.64/38,243.69
  6. Step 6: Final answer
    x = 29,322.86

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Half scale
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Double scale
Find fourth proportional to 38,244.69, 52,775.97 and 21,250.14
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.