Home / 33,828.05-46,701.48-20,402.69

Finding the Fourth Proportional to 33,828.05, 46,701.48 and 20,402.69

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Solution

The fourth proportional to 33,828.05, 46,701.48 and 20,402.69 is: 28,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.05 : 46,701.48 = 20,402.69 : x
  2. Step 2: Convert to fraction form
    33,828.05/46,701.48 = 20,402.69/x
  3. Step 3: Cross multiply
    33,828.05x = 46,701.48 × 20,402.69
  4. Step 4: Simplify right side
    33,828.05x = 952,835,716.97
  5. Step 5: Solve for x
    x = 952,835,716.97/33,828.05
  6. Step 6: Final answer
    x = 28,167.03

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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.