Home / 69,161.07-103,704.48-21,767.30

Finding the Fourth Proportional to 69,161.07, 103,704.48 and 21,767.30

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Solution

The fourth proportional to 69,161.07, 103,704.48 and 21,767.30 is: 32,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,161.07 : 103,704.48 = 21,767.30 : x
  2. Step 2: Convert to fraction form
    69,161.07/103,704.48 = 21,767.30/x
  3. Step 3: Cross multiply
    69,161.07x = 103,704.48 × 21,767.30
  4. Step 4: Simplify right side
    69,161.07x = 2,257,366,008.98
  5. Step 5: Solve for x
    x = 2,257,366,008.98/69,161.07
  6. Step 6: Final answer
    x = 32,639.26

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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.