Home / 38,450.05-57,654.51-19,722.43

Finding the Fourth Proportional to 38,450.05, 57,654.51 and 19,722.43

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Solution

The fourth proportional to 38,450.05, 57,654.51 and 19,722.43 is: 29,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.05 : 57,654.51 = 19,722.43 : x
  2. Step 2: Convert to fraction form
    38,450.05/57,654.51 = 19,722.43/x
  3. Step 3: Cross multiply
    38,450.05x = 57,654.51 × 19,722.43
  4. Step 4: Simplify right side
    38,450.05x = 1,137,087,037.66
  5. Step 5: Solve for x
    x = 1,137,087,037.66/38,450.05
  6. Step 6: Final answer
    x = 29,573.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.