Home / 40,220.31-55,504.94-22,314.65

Finding the Fourth Proportional to 40,220.31, 55,504.94 and 22,314.65

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Solution

The fourth proportional to 40,220.31, 55,504.94 and 22,314.65 is: 30,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.31 : 55,504.94 = 22,314.65 : x
  2. Step 2: Convert to fraction form
    40,220.31/55,504.94 = 22,314.65/x
  3. Step 3: Cross multiply
    40,220.31x = 55,504.94 × 22,314.65
  4. Step 4: Simplify right side
    40,220.31x = 1,238,573,309.37
  5. Step 5: Solve for x
    x = 1,238,573,309.37/40,220.31
  6. Step 6: Final answer
    x = 30,794.72

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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.