Home / 39,213.32-54,105.64-22,216.07

Finding the Fourth Proportional to 39,213.32, 54,105.64 and 22,216.07

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Solution

The fourth proportional to 39,213.32, 54,105.64 and 22,216.07 is: 30,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.32 : 54,105.64 = 22,216.07 : x
  2. Step 2: Convert to fraction form
    39,213.32/54,105.64 = 22,216.07/x
  3. Step 3: Cross multiply
    39,213.32x = 54,105.64 × 22,216.07
  4. Step 4: Simplify right side
    39,213.32x = 1,202,014,765.36
  5. Step 5: Solve for x
    x = 1,202,014,765.36/39,213.32
  6. Step 6: Final answer
    x = 30,653.23

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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.