Home / 33,345.30-46,022.67-21,423.54

Finding the Fourth Proportional to 33,345.30, 46,022.67 and 21,423.54

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Solution

The fourth proportional to 33,345.30, 46,022.67 and 21,423.54 is: 29,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.30 : 46,022.67 = 21,423.54 : x
  2. Step 2: Convert to fraction form
    33,345.30/46,022.67 = 21,423.54/x
  3. Step 3: Cross multiply
    33,345.30x = 46,022.67 × 21,423.54
  4. Step 4: Simplify right side
    33,345.30x = 985,968,511.65
  5. Step 5: Solve for x
    x = 985,968,511.65/33,345.30
  6. Step 6: Final answer
    x = 29,568.44

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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.