Home / 33,636.72-46,434.40-19,486.80

Finding the Fourth Proportional to 33,636.72, 46,434.40 and 19,486.80

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Solution

The fourth proportional to 33,636.72, 46,434.40 and 19,486.80 is: 26,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.72 : 46,434.40 = 19,486.80 : x
  2. Step 2: Convert to fraction form
    33,636.72/46,434.40 = 19,486.80/x
  3. Step 3: Cross multiply
    33,636.72x = 46,434.40 × 19,486.80
  4. Step 4: Simplify right side
    33,636.72x = 904,857,865.92
  5. Step 5: Solve for x
    x = 904,857,865.92/33,636.72
  6. Step 6: Final answer
    x = 26,900.89

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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.