Home / 33,428.52-46,131.34-20,000.32

Finding the Fourth Proportional to 33,428.52, 46,131.34 and 20,000.32

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Solution

The fourth proportional to 33,428.52, 46,131.34 and 20,000.32 is: 27,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.52 : 46,131.34 = 20,000.32 : x
  2. Step 2: Convert to fraction form
    33,428.52/46,131.34 = 20,000.32/x
  3. Step 3: Cross multiply
    33,428.52x = 46,131.34 × 20,000.32
  4. Step 4: Simplify right side
    33,428.52x = 922,641,562.03
  5. Step 5: Solve for x
    x = 922,641,562.03/33,428.52
  6. Step 6: Final answer
    x = 27,600.43

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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.