Home / 30,382.26-41,936.32-17,638.30

Finding the Fourth Proportional to 30,382.26, 41,936.32 and 17,638.30

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Solution

The fourth proportional to 30,382.26, 41,936.32 and 17,638.30 is: 24,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.26 : 41,936.32 = 17,638.30 : x
  2. Step 2: Convert to fraction form
    30,382.26/41,936.32 = 17,638.30/x
  3. Step 3: Cross multiply
    30,382.26x = 41,936.32 × 17,638.30
  4. Step 4: Simplify right side
    30,382.26x = 739,685,409.71
  5. Step 5: Solve for x
    x = 739,685,409.71/30,382.26
  6. Step 6: Final answer
    x = 24,345.97

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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.