Home / 37,634.40-51,942.24-21,716.64

Finding the Fourth Proportional to 37,634.40, 51,942.24 and 21,716.64

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Solution

The fourth proportional to 37,634.40, 51,942.24 and 21,716.64 is: 29,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,634.40 : 51,942.24 = 21,716.64 : x
  2. Step 2: Convert to fraction form
    37,634.40/51,942.24 = 21,716.64/x
  3. Step 3: Cross multiply
    37,634.40x = 51,942.24 × 21,716.64
  4. Step 4: Simplify right side
    37,634.40x = 1,128,010,926.87
  5. Step 5: Solve for x
    x = 1,128,010,926.87/37,634.40
  6. Step 6: Final answer
    x = 29,972.87

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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.