Home / 39,161.87-54,030.52-22,164.43

Finding the Fourth Proportional to 39,161.87, 54,030.52 and 22,164.43

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Solution

The fourth proportional to 39,161.87, 54,030.52 and 22,164.43 is: 30,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.87 : 54,030.52 = 22,164.43 : x
  2. Step 2: Convert to fraction form
    39,161.87/54,030.52 = 22,164.43/x
  3. Step 3: Cross multiply
    39,161.87x = 54,030.52 × 22,164.43
  4. Step 4: Simplify right side
    39,161.87x = 1,197,555,678.40
  5. Step 5: Solve for x
    x = 1,197,555,678.40/39,161.87
  6. Step 6: Final answer
    x = 30,579.63

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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.