Home / 33,960-46,844.48-21,362.88

Finding the Fourth Proportional to 33,960, 46,844.48 and 21,362.88

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Solution

The fourth proportional to 33,960, 46,844.48 and 21,362.88 is: 29,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,960 : 46,844.48 = 21,362.88 : x
  2. Step 2: Convert to fraction form
    33,960/46,844.48 = 21,362.88/x
  3. Step 3: Cross multiply
    33,960x = 46,844.48 × 21,362.88
  4. Step 4: Simplify right side
    33,960x = 1,000,733,004.90
  5. Step 5: Solve for x
    x = 1,000,733,004.90/33,960
  6. Step 6: Final answer
    x = 29,467.99

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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.