Home / 30,581.26-42,195.39-29,573.28

Finding the Fourth Proportional to 30,581.26, 42,195.39 and 29,573.28

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Solution

The fourth proportional to 30,581.26, 42,195.39 and 29,573.28 is: 40,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.26 : 42,195.39 = 29,573.28 : x
  2. Step 2: Convert to fraction form
    30,581.26/42,195.39 = 29,573.28/x
  3. Step 3: Cross multiply
    30,581.26x = 42,195.39 × 29,573.28
  4. Step 4: Simplify right side
    30,581.26x = 1,247,856,083.18
  5. Step 5: Solve for x
    x = 1,247,856,083.18/30,581.26
  6. Step 6: Final answer
    x = 40,804.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.