Home / 69,225.43-103,838.15-21,845.32

Finding the Fourth Proportional to 69,225.43, 103,838.15 and 21,845.32

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Solution

The fourth proportional to 69,225.43, 103,838.15 and 21,845.32 is: 32,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,225.43 : 103,838.15 = 21,845.32 : x
  2. Step 2: Convert to fraction form
    69,225.43/103,838.15 = 21,845.32/x
  3. Step 3: Cross multiply
    69,225.43x = 103,838.15 × 21,845.32
  4. Step 4: Simplify right side
    69,225.43x = 2,268,376,986.54
  5. Step 5: Solve for x
    x = 2,268,376,986.54/69,225.43
  6. Step 6: Final answer
    x = 32,767.97

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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.