Home / 34,934.25-48,221.43-20,786.79

Finding the Fourth Proportional to 34,934.25, 48,221.43 and 20,786.79

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Solution

The fourth proportional to 34,934.25, 48,221.43 and 20,786.79 is: 28,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934.25 : 48,221.43 = 20,786.79 : x
  2. Step 2: Convert to fraction form
    34,934.25/48,221.43 = 20,786.79/x
  3. Step 3: Cross multiply
    34,934.25x = 48,221.43 × 20,786.79
  4. Step 4: Simplify right side
    34,934.25x = 1,002,368,738.91
  5. Step 5: Solve for x
    x = 1,002,368,738.91/34,934.25
  6. Step 6: Final answer
    x = 28,693.01

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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.