Home / 69,264.42-103,899.77-21,229.56

Finding the Fourth Proportional to 69,264.42, 103,899.77 and 21,229.56

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Solution

The fourth proportional to 69,264.42, 103,899.77 and 21,229.56 is: 31,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,264.42 : 103,899.77 = 21,229.56 : x
  2. Step 2: Convert to fraction form
    69,264.42/103,899.77 = 21,229.56/x
  3. Step 3: Cross multiply
    69,264.42x = 103,899.77 × 21,229.56
  4. Step 4: Simplify right side
    69,264.42x = 2,205,746,295.05
  5. Step 5: Solve for x
    x = 2,205,746,295.05/69,264.42
  6. Step 6: Final answer
    x = 31,845.30

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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.