Home / 40,226.76-55,513.12-22,321.76

Finding the Fourth Proportional to 40,226.76, 55,513.12 and 22,321.76

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Solution

The fourth proportional to 40,226.76, 55,513.12 and 22,321.76 is: 30,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.76 : 55,513.12 = 22,321.76 : x
  2. Step 2: Convert to fraction form
    40,226.76/55,513.12 = 22,321.76/x
  3. Step 3: Cross multiply
    40,226.76x = 55,513.12 × 22,321.76
  4. Step 4: Simplify right side
    40,226.76x = 1,239,150,541.49
  5. Step 5: Solve for x
    x = 1,239,150,541.49/40,226.76
  6. Step 6: Final answer
    x = 30,804.13

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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.