Home / 39,958.68-55,142.42-22,054.02

Finding the Fourth Proportional to 39,958.68, 55,142.42 and 22,054.02

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Solution

The fourth proportional to 39,958.68, 55,142.42 and 22,054.02 is: 30,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.68 : 55,142.42 = 22,054.02 : x
  2. Step 2: Convert to fraction form
    39,958.68/55,142.42 = 22,054.02/x
  3. Step 3: Cross multiply
    39,958.68x = 55,142.42 × 22,054.02
  4. Step 4: Simplify right side
    39,958.68x = 1,216,112,033.53
  5. Step 5: Solve for x
    x = 1,216,112,033.53/39,958.68
  6. Step 6: Final answer
    x = 30,434.24

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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.