Home / 40,555-55,965.31-22,650.27

Finding the Fourth Proportional to 40,555, 55,965.31 and 22,650.27

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Solution

The fourth proportional to 40,555, 55,965.31 and 22,650.27 is: 31,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555 : 55,965.31 = 22,650.27 : x
  2. Step 2: Convert to fraction form
    40,555/55,965.31 = 22,650.27/x
  3. Step 3: Cross multiply
    40,555x = 55,965.31 × 22,650.27
  4. Step 4: Simplify right side
    40,555x = 1,267,629,382.13
  5. Step 5: Solve for x
    x = 1,267,629,382.13/40,555
  6. Step 6: Final answer
    x = 31,257.04

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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.