Home / 33,205.20-49,821.15-13,485.30

Finding the Fourth Proportional to 33,205.20, 49,821.15 and 13,485.30

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Solution

The fourth proportional to 33,205.20, 49,821.15 and 13,485.30 is: 20,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,205.20 : 49,821.15 = 13,485.30 : x
  2. Step 2: Convert to fraction form
    33,205.20/49,821.15 = 13,485.30/x
  3. Step 3: Cross multiply
    33,205.20x = 49,821.15 × 13,485.30
  4. Step 4: Simplify right side
    33,205.20x = 671,853,154.10
  5. Step 5: Solve for x
    x = 671,853,154.10/33,205.20
  6. Step 6: Final answer
    x = 20,233.37

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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.