Home / 40,131.24-55,383.06-22,228.20

Finding the Fourth Proportional to 40,131.24, 55,383.06 and 22,228.20

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Solution

The fourth proportional to 40,131.24, 55,383.06 and 22,228.20 is: 30,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.24 : 55,383.06 = 22,228.20 : x
  2. Step 2: Convert to fraction form
    40,131.24/55,383.06 = 22,228.20/x
  3. Step 3: Cross multiply
    40,131.24x = 55,383.06 × 22,228.20
  4. Step 4: Simplify right side
    40,131.24x = 1,231,065,734.29
  5. Step 5: Solve for x
    x = 1,231,065,734.29/40,131.24
  6. Step 6: Final answer
    x = 30,676.00

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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.