Home / 40,235.89-55,517.30-22,327.09

Finding the Fourth Proportional to 40,235.89, 55,517.30 and 22,327.09

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Solution

The fourth proportional to 40,235.89, 55,517.30 and 22,327.09 is: 30,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.89 : 55,517.30 = 22,327.09 : x
  2. Step 2: Convert to fraction form
    40,235.89/55,517.30 = 22,327.09/x
  3. Step 3: Cross multiply
    40,235.89x = 55,517.30 × 22,327.09
  4. Step 4: Simplify right side
    40,235.89x = 1,239,539,899.24
  5. Step 5: Solve for x
    x = 1,239,539,899.24/40,235.89
  6. Step 6: Final answer
    x = 30,806.82

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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.