Home / 39,389.45-54,362.04-22,396.24

Finding the Fourth Proportional to 39,389.45, 54,362.04 and 22,396.24

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Solution

The fourth proportional to 39,389.45, 54,362.04 and 22,396.24 is: 30,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.45 : 54,362.04 = 22,396.24 : x
  2. Step 2: Convert to fraction form
    39,389.45/54,362.04 = 22,396.24/x
  3. Step 3: Cross multiply
    39,389.45x = 54,362.04 × 22,396.24
  4. Step 4: Simplify right side
    39,389.45x = 1,217,505,362.68
  5. Step 5: Solve for x
    x = 1,217,505,362.68/39,389.45
  6. Step 6: Final answer
    x = 30,909.43

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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.