Home / 40,110.93-55,352.43-22,205.54

Finding the Fourth Proportional to 40,110.93, 55,352.43 and 22,205.54

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Solution

The fourth proportional to 40,110.93, 55,352.43 and 22,205.54 is: 30,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110.93 : 55,352.43 = 22,205.54 : x
  2. Step 2: Convert to fraction form
    40,110.93/55,352.43 = 22,205.54/x
  3. Step 3: Cross multiply
    40,110.93x = 55,352.43 × 22,205.54
  4. Step 4: Simplify right side
    40,110.93x = 1,229,130,736.84
  5. Step 5: Solve for x
    x = 1,229,130,736.84/40,110.93
  6. Step 6: Final answer
    x = 30,643.29

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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.