Home / 33,331.28-46,001.86-20,418.26

Finding the Fourth Proportional to 33,331.28, 46,001.86 and 20,418.26

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Solution

The fourth proportional to 33,331.28, 46,001.86 and 20,418.26 is: 28,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.28 : 46,001.86 = 20,418.26 : x
  2. Step 2: Convert to fraction form
    33,331.28/46,001.86 = 20,418.26/x
  3. Step 3: Cross multiply
    33,331.28x = 46,001.86 × 20,418.26
  4. Step 4: Simplify right side
    33,331.28x = 939,277,656.91
  5. Step 5: Solve for x
    x = 939,277,656.91/33,331.28
  6. Step 6: Final answer
    x = 28,180.07

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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.