Home / 33,991.12-46,924.80-21,251.38

Finding the Fourth Proportional to 33,991.12, 46,924.80 and 21,251.38

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Solution

The fourth proportional to 33,991.12, 46,924.80 and 21,251.38 is: 29,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.12 : 46,924.80 = 21,251.38 : x
  2. Step 2: Convert to fraction form
    33,991.12/46,924.80 = 21,251.38/x
  3. Step 3: Cross multiply
    33,991.12x = 46,924.80 × 21,251.38
  4. Step 4: Simplify right side
    33,991.12x = 997,216,756.22
  5. Step 5: Solve for x
    x = 997,216,756.22/33,991.12
  6. Step 6: Final answer
    x = 29,337.57

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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.