Home / 33,638.32-46,429.11-19,499.38

Finding the Fourth Proportional to 33,638.32, 46,429.11 and 19,499.38

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Solution

The fourth proportional to 33,638.32, 46,429.11 and 19,499.38 is: 26,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,638.32 : 46,429.11 = 19,499.38 : x
  2. Step 2: Convert to fraction form
    33,638.32/46,429.11 = 19,499.38/x
  3. Step 3: Cross multiply
    33,638.32x = 46,429.11 × 19,499.38
  4. Step 4: Simplify right side
    33,638.32x = 905,338,858.95
  5. Step 5: Solve for x
    x = 905,338,858.95/33,638.32
  6. Step 6: Final answer
    x = 26,913.91

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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.