Home / 41,147.80-61,672.24-18,930.56

Finding the Fourth Proportional to 41,147.80, 61,672.24 and 18,930.56

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Solution

The fourth proportional to 41,147.80, 61,672.24 and 18,930.56 is: 28,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,147.80 : 61,672.24 = 18,930.56 : x
  2. Step 2: Convert to fraction form
    41,147.80/61,672.24 = 18,930.56/x
  3. Step 3: Cross multiply
    41,147.80x = 61,672.24 × 18,930.56
  4. Step 4: Simplify right side
    41,147.80x = 1,167,490,039.65
  5. Step 5: Solve for x
    x = 1,167,490,039.65/41,147.80
  6. Step 6: Final answer
    x = 28,373.09

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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.