Home / 38,338.38-52,914.30-21,571.38

Finding the Fourth Proportional to 38,338.38, 52,914.30 and 21,571.38

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Solution

The fourth proportional to 38,338.38, 52,914.30 and 21,571.38 is: 29,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.38 : 52,914.30 = 21,571.38 : x
  2. Step 2: Convert to fraction form
    38,338.38/52,914.30 = 21,571.38/x
  3. Step 3: Cross multiply
    38,338.38x = 52,914.30 × 21,571.38
  4. Step 4: Simplify right side
    38,338.38x = 1,141,434,472.73
  5. Step 5: Solve for x
    x = 1,141,434,472.73/38,338.38
  6. Step 6: Final answer
    x = 29,772.63

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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.