Home / 40,163.99-55,424.79-22,259.30

Finding the Fourth Proportional to 40,163.99, 55,424.79 and 22,259.30

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Solution

The fourth proportional to 40,163.99, 55,424.79 and 22,259.30 is: 30,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.99 : 55,424.79 = 22,259.30 : x
  2. Step 2: Convert to fraction form
    40,163.99/55,424.79 = 22,259.30/x
  3. Step 3: Cross multiply
    40,163.99x = 55,424.79 × 22,259.30
  4. Step 4: Simplify right side
    40,163.99x = 1,233,716,750.92
  5. Step 5: Solve for x
    x = 1,233,716,750.92/40,163.99
  6. Step 6: Final answer
    x = 30,716.99

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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.