Home / 69,943.03-104,915.55-20,023.16

Finding the Fourth Proportional to 69,943.03, 104,915.55 and 20,023.16

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Solution

The fourth proportional to 69,943.03, 104,915.55 and 20,023.16 is: 30,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,943.03 : 104,915.55 = 20,023.16 : x
  2. Step 2: Convert to fraction form
    69,943.03/104,915.55 = 20,023.16/x
  3. Step 3: Cross multiply
    69,943.03x = 104,915.55 × 20,023.16
  4. Step 4: Simplify right side
    69,943.03x = 2,100,740,844.14
  5. Step 5: Solve for x
    x = 2,100,740,844.14/69,943.03
  6. Step 6: Final answer
    x = 30,035.03

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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.