Home / 40,227.76-55,514.50-22,322.76

Finding the Fourth Proportional to 40,227.76, 55,514.50 and 22,322.76

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Solution

The fourth proportional to 40,227.76, 55,514.50 and 22,322.76 is: 30,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227.76 : 55,514.50 = 22,322.76 : x
  2. Step 2: Convert to fraction form
    40,227.76/55,514.50 = 22,322.76/x
  3. Step 3: Cross multiply
    40,227.76x = 55,514.50 × 22,322.76
  4. Step 4: Simplify right side
    40,227.76x = 1,239,236,860.02
  5. Step 5: Solve for x
    x = 1,239,236,860.02/40,227.76
  6. Step 6: Final answer
    x = 30,805.51

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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.