Home / 38,450.30-57,654.89-19,722.68

Finding the Fourth Proportional to 38,450.30, 57,654.89 and 19,722.68

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Solution

The fourth proportional to 38,450.30, 57,654.89 and 19,722.68 is: 29,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.30 : 57,654.89 = 19,722.68 : x
  2. Step 2: Convert to fraction form
    38,450.30/57,654.89 = 19,722.68/x
  3. Step 3: Cross multiply
    38,450.30x = 57,654.89 × 19,722.68
  4. Step 4: Simplify right side
    38,450.30x = 1,137,108,847.29
  5. Step 5: Solve for x
    x = 1,137,108,847.29/38,450.30
  6. Step 6: Final answer
    x = 29,573.47

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1.5x scale

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.