Home / 40,212.73-55,500.22-22,313.50

Finding the Fourth Proportional to 40,212.73, 55,500.22 and 22,313.50

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Solution

The fourth proportional to 40,212.73, 55,500.22 and 22,313.50 is: 30,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.73 : 55,500.22 = 22,313.50 : x
  2. Step 2: Convert to fraction form
    40,212.73/55,500.22 = 22,313.50/x
  3. Step 3: Cross multiply
    40,212.73x = 55,500.22 × 22,313.50
  4. Step 4: Simplify right side
    40,212.73x = 1,238,403,964.44
  5. Step 5: Solve for x
    x = 1,238,403,964.44/40,212.73
  6. Step 6: Final answer
    x = 30,796.32

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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.