Home / 30,232.76-41,739.88-19,481.43

Finding the Fourth Proportional to 30,232.76, 41,739.88 and 19,481.43

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Solution

The fourth proportional to 30,232.76, 41,739.88 and 19,481.43 is: 26,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.76 : 41,739.88 = 19,481.43 : x
  2. Step 2: Convert to fraction form
    30,232.76/41,739.88 = 19,481.43/x
  3. Step 3: Cross multiply
    30,232.76x = 41,739.88 × 19,481.43
  4. Step 4: Simplify right side
    30,232.76x = 813,152,514.78
  5. Step 5: Solve for x
    x = 813,152,514.78/30,232.76
  6. Step 6: Final answer
    x = 26,896.40

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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.