Home / 69,021.82-103,535.02-19,097.74

Finding the Fourth Proportional to 69,021.82, 103,535.02 and 19,097.74

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Solution

The fourth proportional to 69,021.82, 103,535.02 and 19,097.74 is: 28,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,021.82 : 103,535.02 = 19,097.74 : x
  2. Step 2: Convert to fraction form
    69,021.82/103,535.02 = 19,097.74/x
  3. Step 3: Cross multiply
    69,021.82x = 103,535.02 × 19,097.74
  4. Step 4: Simplify right side
    69,021.82x = 1,977,284,892.85
  5. Step 5: Solve for x
    x = 1,977,284,892.85/69,021.82
  6. Step 6: Final answer
    x = 28,647.24

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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.