Home / 38,682.28-53,393.70-21,926.44

Finding the Fourth Proportional to 38,682.28, 53,393.70 and 21,926.44

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Solution

The fourth proportional to 38,682.28, 53,393.70 and 21,926.44 is: 30,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.28 : 53,393.70 = 21,926.44 : x
  2. Step 2: Convert to fraction form
    38,682.28/53,393.70 = 21,926.44/x
  3. Step 3: Cross multiply
    38,682.28x = 53,393.70 × 21,926.44
  4. Step 4: Simplify right side
    38,682.28x = 1,170,733,759.43
  5. Step 5: Solve for x
    x = 1,170,733,759.43/38,682.28
  6. Step 6: Final answer
    x = 30,265.38

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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.