Home / 69,438.09-104,161.22-19,522.10

Finding the Fourth Proportional to 69,438.09, 104,161.22 and 19,522.10

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Solution

The fourth proportional to 69,438.09, 104,161.22 and 19,522.10 is: 29,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.09 : 104,161.22 = 19,522.10 : x
  2. Step 2: Convert to fraction form
    69,438.09/104,161.22 = 19,522.10/x
  3. Step 3: Cross multiply
    69,438.09x = 104,161.22 × 19,522.10
  4. Step 4: Simplify right side
    69,438.09x = 2,033,445,134.55
  5. Step 5: Solve for x
    x = 2,033,445,134.55/69,438.09
  6. Step 6: Final answer
    x = 29,284.29

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1.5x scale

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.