Home / 40,104.14-55,343.05-22,198.76

Finding the Fourth Proportional to 40,104.14, 55,343.05 and 22,198.76

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Solution

The fourth proportional to 40,104.14, 55,343.05 and 22,198.76 is: 30,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.14 : 55,343.05 = 22,198.76 : x
  2. Step 2: Convert to fraction form
    40,104.14/55,343.05 = 22,198.76/x
  3. Step 3: Cross multiply
    40,104.14x = 55,343.05 × 22,198.76
  4. Step 4: Simplify right side
    40,104.14x = 1,228,547,111.98
  5. Step 5: Solve for x
    x = 1,228,547,111.98/40,104.14
  6. Step 6: Final answer
    x = 30,633.92

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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.