Home / 33,678.94-46,457.65-21,081.82

Finding the Fourth Proportional to 33,678.94, 46,457.65 and 21,081.82

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Solution

The fourth proportional to 33,678.94, 46,457.65 and 21,081.82 is: 29,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.94 : 46,457.65 = 21,081.82 : x
  2. Step 2: Convert to fraction form
    33,678.94/46,457.65 = 21,081.82/x
  3. Step 3: Cross multiply
    33,678.94x = 46,457.65 × 21,081.82
  4. Step 4: Simplify right side
    33,678.94x = 979,411,709.51
  5. Step 5: Solve for x
    x = 979,411,709.51/33,678.94
  6. Step 6: Final answer
    x = 29,080.84

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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.