Home / 38,191.23-52,703.83-21,195.68

Finding the Fourth Proportional to 38,191.23, 52,703.83 and 21,195.68

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Solution

The fourth proportional to 38,191.23, 52,703.83 and 21,195.68 is: 29,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.23 : 52,703.83 = 21,195.68 : x
  2. Step 2: Convert to fraction form
    38,191.23/52,703.83 = 21,195.68/x
  3. Step 3: Cross multiply
    38,191.23x = 52,703.83 × 21,195.68
  4. Step 4: Simplify right side
    38,191.23x = 1,117,093,145.96
  5. Step 5: Solve for x
    x = 1,117,093,145.96/38,191.23
  6. Step 6: Final answer
    x = 29,249.99

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Half scale
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Double scale
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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.