Home / 30,725.26-42,400.24-17,296.22

Finding the Fourth Proportional to 30,725.26, 42,400.24 and 17,296.22

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Solution

The fourth proportional to 30,725.26, 42,400.24 and 17,296.22 is: 23,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.26 : 42,400.24 = 17,296.22 : x
  2. Step 2: Convert to fraction form
    30,725.26/42,400.24 = 17,296.22/x
  3. Step 3: Cross multiply
    30,725.26x = 42,400.24 × 17,296.22
  4. Step 4: Simplify right side
    30,725.26x = 733,363,879.09
  5. Step 5: Solve for x
    x = 733,363,879.09/30,725.26
  6. Step 6: Final answer
    x = 23,868.44

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1.5x scale

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.