Home / 40,684.65-61,027.37-19,619.79

Finding the Fourth Proportional to 40,684.65, 61,027.37 and 19,619.79

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Solution

The fourth proportional to 40,684.65, 61,027.37 and 19,619.79 is: 29,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.65 : 61,027.37 = 19,619.79 : x
  2. Step 2: Convert to fraction form
    40,684.65/61,027.37 = 19,619.79/x
  3. Step 3: Cross multiply
    40,684.65x = 61,027.37 × 19,619.79
  4. Step 4: Simplify right side
    40,684.65x = 1,197,344,183.65
  5. Step 5: Solve for x
    x = 1,197,344,183.65/40,684.65
  6. Step 6: Final answer
    x = 29,429.88

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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.