Home / 39,400.99-54,371.14-22,409.36

Finding the Fourth Proportional to 39,400.99, 54,371.14 and 22,409.36

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Solution

The fourth proportional to 39,400.99, 54,371.14 and 22,409.36 is: 30,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.99 : 54,371.14 = 22,409.36 : x
  2. Step 2: Convert to fraction form
    39,400.99/54,371.14 = 22,409.36/x
  3. Step 3: Cross multiply
    39,400.99x = 54,371.14 × 22,409.36
  4. Step 4: Simplify right side
    39,400.99x = 1,218,422,325.88
  5. Step 5: Solve for x
    x = 1,218,422,325.88/39,400.99
  6. Step 6: Final answer
    x = 30,923.65

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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.