Home / 33,677.69-46,455.92-21,080.57

Finding the Fourth Proportional to 33,677.69, 46,455.92 and 21,080.57

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Solution

The fourth proportional to 33,677.69, 46,455.92 and 21,080.57 is: 29,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,677.69 : 46,455.92 = 21,080.57 : x
  2. Step 2: Convert to fraction form
    33,677.69/46,455.92 = 21,080.57/x
  3. Step 3: Cross multiply
    33,677.69x = 46,455.92 × 21,080.57
  4. Step 4: Simplify right side
    33,677.69x = 979,317,273.47
  5. Step 5: Solve for x
    x = 979,317,273.47/33,677.69
  6. Step 6: Final answer
    x = 29,079.11

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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.