Home / 33,661.10-46,442.67-21,731.22

Finding the Fourth Proportional to 33,661.10, 46,442.67 and 21,731.22

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Solution

The fourth proportional to 33,661.10, 46,442.67 and 21,731.22 is: 29,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,661.10 : 46,442.67 = 21,731.22 : x
  2. Step 2: Convert to fraction form
    33,661.10/46,442.67 = 21,731.22/x
  3. Step 3: Cross multiply
    33,661.10x = 46,442.67 × 21,731.22
  4. Step 4: Simplify right side
    33,661.10x = 1,009,255,797.67
  5. Step 5: Solve for x
    x = 1,009,255,797.67/33,661.10
  6. Step 6: Final answer
    x = 29,982.85

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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.