Home / 39,238.97-54,151.35-21,333.92

Finding the Fourth Proportional to 39,238.97, 54,151.35 and 21,333.92

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Solution

The fourth proportional to 39,238.97, 54,151.35 and 21,333.92 is: 29,441.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.97 : 54,151.35 = 21,333.92 : x
  2. Step 2: Convert to fraction form
    39,238.97/54,151.35 = 21,333.92/x
  3. Step 3: Cross multiply
    39,238.97x = 54,151.35 × 21,333.92
  4. Step 4: Simplify right side
    39,238.97x = 1,155,260,568.79
  5. Step 5: Solve for x
    x = 1,155,260,568.79/39,238.97
  6. Step 6: Final answer
    x = 29,441.66

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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.