Home / 33,531.28-46,272.39-18,217.62

Finding the Fourth Proportional to 33,531.28, 46,272.39 and 18,217.62

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Solution

The fourth proportional to 33,531.28, 46,272.39 and 18,217.62 is: 25,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,531.28 : 46,272.39 = 18,217.62 : x
  2. Step 2: Convert to fraction form
    33,531.28/46,272.39 = 18,217.62/x
  3. Step 3: Cross multiply
    33,531.28x = 46,272.39 × 18,217.62
  4. Step 4: Simplify right side
    33,531.28x = 842,972,817.51
  5. Step 5: Solve for x
    x = 842,972,817.51/33,531.28
  6. Step 6: Final answer
    x = 25,139.89

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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.