Home / 33,345.20-50,017.80-13,619.27

Finding the Fourth Proportional to 33,345.20, 50,017.80 and 13,619.27

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Solution

The fourth proportional to 33,345.20, 50,017.80 and 13,619.27 is: 20,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.20 : 50,017.80 = 13,619.27 : x
  2. Step 2: Convert to fraction form
    33,345.20/50,017.80 = 13,619.27/x
  3. Step 3: Cross multiply
    33,345.20x = 50,017.80 × 13,619.27
  4. Step 4: Simplify right side
    33,345.20x = 681,205,923.01
  5. Step 5: Solve for x
    x = 681,205,923.01/33,345.20
  6. Step 6: Final answer
    x = 20,428.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.