Home / 33,151.14-49,730.90-9,778.05

Finding the Fourth Proportional to 33,151.14, 49,730.90 and 9,778.05

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Solution

The fourth proportional to 33,151.14, 49,730.90 and 9,778.05 is: 14,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.14 : 49,730.90 = 9,778.05 : x
  2. Step 2: Convert to fraction form
    33,151.14/49,730.90 = 9,778.05/x
  3. Step 3: Cross multiply
    33,151.14x = 49,730.90 × 9,778.05
  4. Step 4: Simplify right side
    33,151.14x = 486,271,177.85
  5. Step 5: Solve for x
    x = 486,271,177.85/33,151.14
  6. Step 6: Final answer
    x = 14,668.31

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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.