Home / 69,072.35-103,598.24-19,147.23

Finding the Fourth Proportional to 69,072.35, 103,598.24 and 19,147.23

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Solution

The fourth proportional to 69,072.35, 103,598.24 and 19,147.23 is: 28,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.35 : 103,598.24 = 19,147.23 : x
  2. Step 2: Convert to fraction form
    69,072.35/103,598.24 = 19,147.23/x
  3. Step 3: Cross multiply
    69,072.35x = 103,598.24 × 19,147.23
  4. Step 4: Simplify right side
    69,072.35x = 1,983,619,233.14
  5. Step 5: Solve for x
    x = 1,983,619,233.14/69,072.35
  6. Step 6: Final answer
    x = 28,717.99

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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.