Home / 33,862.31-46,730.33-20,430.97

Finding the Fourth Proportional to 33,862.31, 46,730.33 and 20,430.97

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Solution

The fourth proportional to 33,862.31, 46,730.33 and 20,430.97 is: 28,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,862.31 : 46,730.33 = 20,430.97 : x
  2. Step 2: Convert to fraction form
    33,862.31/46,730.33 = 20,430.97/x
  3. Step 3: Cross multiply
    33,862.31x = 46,730.33 × 20,430.97
  4. Step 4: Simplify right side
    33,862.31x = 954,745,736.67
  5. Step 5: Solve for x
    x = 954,745,736.67/33,862.31
  6. Step 6: Final answer
    x = 28,194.94

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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.