Home / 33,961.29-46,866.75-21,221.87

Finding the Fourth Proportional to 33,961.29, 46,866.75 and 21,221.87

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Solution

The fourth proportional to 33,961.29, 46,866.75 and 21,221.87 is: 29,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,961.29 : 46,866.75 = 21,221.87 : x
  2. Step 2: Convert to fraction form
    33,961.29/46,866.75 = 21,221.87/x
  3. Step 3: Cross multiply
    33,961.29x = 46,866.75 × 21,221.87
  4. Step 4: Simplify right side
    33,961.29x = 994,599,969.71
  5. Step 5: Solve for x
    x = 994,599,969.71/33,961.29
  6. Step 6: Final answer
    x = 29,286.28

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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.