Home / 38,016.96-52,464.48-21,249.60

Finding the Fourth Proportional to 38,016.96, 52,464.48 and 21,249.60

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Solution

The fourth proportional to 38,016.96, 52,464.48 and 21,249.60 is: 29,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016.96 : 52,464.48 = 21,249.60 : x
  2. Step 2: Convert to fraction form
    38,016.96/52,464.48 = 21,249.60/x
  3. Step 3: Cross multiply
    38,016.96x = 52,464.48 × 21,249.60
  4. Step 4: Simplify right side
    38,016.96x = 1,114,849,214.21
  5. Step 5: Solve for x
    x = 1,114,849,214.21/38,016.96
  6. Step 6: Final answer
    x = 29,325.05

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Half scale
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Double scale
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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.