Home / 33,866.66-46,758.83-21,139.23

Finding the Fourth Proportional to 33,866.66, 46,758.83 and 21,139.23

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Solution

The fourth proportional to 33,866.66, 46,758.83 and 21,139.23 is: 29,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.66 : 46,758.83 = 21,139.23 : x
  2. Step 2: Convert to fraction form
    33,866.66/46,758.83 = 21,139.23/x
  3. Step 3: Cross multiply
    33,866.66x = 46,758.83 × 21,139.23
  4. Step 4: Simplify right side
    33,866.66x = 988,445,661.90
  5. Step 5: Solve for x
    x = 988,445,661.90/33,866.66
  6. Step 6: Final answer
    x = 29,186.39

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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.