Home / 33,622-46,382.79-21,689.19

Finding the Fourth Proportional to 33,622, 46,382.79 and 21,689.19

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Solution

The fourth proportional to 33,622, 46,382.79 and 21,689.19 is: 29,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,622 : 46,382.79 = 21,689.19 : x
  2. Step 2: Convert to fraction form
    33,622/46,382.79 = 21,689.19/x
  3. Step 3: Cross multiply
    33,622x = 46,382.79 × 21,689.19
  4. Step 4: Simplify right side
    33,622x = 1,006,004,913.13
  5. Step 5: Solve for x
    x = 1,006,004,913.13/33,622
  6. Step 6: Final answer
    x = 29,921.03

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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.