Home / 39,914.05-55,078.57-22,008.68

Finding the Fourth Proportional to 39,914.05, 55,078.57 and 22,008.68

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Solution

The fourth proportional to 39,914.05, 55,078.57 and 22,008.68 is: 30,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.05 : 55,078.57 = 22,008.68 : x
  2. Step 2: Convert to fraction form
    39,914.05/55,078.57 = 22,008.68/x
  3. Step 3: Cross multiply
    39,914.05x = 55,078.57 × 22,008.68
  4. Step 4: Simplify right side
    39,914.05x = 1,212,206,621.99
  5. Step 5: Solve for x
    x = 1,212,206,621.99/39,914.05
  6. Step 6: Final answer
    x = 30,370.42

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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.