Home / 33,513.96-46,270.94-20,780.67

Finding the Fourth Proportional to 33,513.96, 46,270.94 and 20,780.67

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Solution

The fourth proportional to 33,513.96, 46,270.94 and 20,780.67 is: 28,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,513.96 : 46,270.94 = 20,780.67 : x
  2. Step 2: Convert to fraction form
    33,513.96/46,270.94 = 20,780.67/x
  3. Step 3: Cross multiply
    33,513.96x = 46,270.94 × 20,780.67
  4. Step 4: Simplify right side
    33,513.96x = 961,541,030.83
  5. Step 5: Solve for x
    x = 961,541,030.83/33,513.96
  6. Step 6: Final answer
    x = 28,690.76

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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.