Home / 39,238.97-54,149.91-21,334.05

Finding the Fourth Proportional to 39,238.97, 54,149.91 and 21,334.05

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Solution

The fourth proportional to 39,238.97, 54,149.91 and 21,334.05 is: 29,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.97 : 54,149.91 = 21,334.05 : x
  2. Step 2: Convert to fraction form
    39,238.97/54,149.91 = 21,334.05/x
  3. Step 3: Cross multiply
    39,238.97x = 54,149.91 × 21,334.05
  4. Step 4: Simplify right side
    39,238.97x = 1,155,236,887.44
  5. Step 5: Solve for x
    x = 1,155,236,887.44/39,238.97
  6. Step 6: Final answer
    x = 29,441.06

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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.