Home / 41,198.69-61,804.48-13,125.03

Finding the Fourth Proportional to 41,198.69, 61,804.48 and 13,125.03

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Solution

The fourth proportional to 41,198.69, 61,804.48 and 13,125.03 is: 19,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,198.69 : 61,804.48 = 13,125.03 : x
  2. Step 2: Convert to fraction form
    41,198.69/61,804.48 = 13,125.03/x
  3. Step 3: Cross multiply
    41,198.69x = 61,804.48 × 13,125.03
  4. Step 4: Simplify right side
    41,198.69x = 811,185,654.13
  5. Step 5: Solve for x
    x = 811,185,654.13/41,198.69
  6. Step 6: Final answer
    x = 19,689.60

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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.