Home / 33,140.05-49,711.61-9,449.20

Finding the Fourth Proportional to 33,140.05, 49,711.61 and 9,449.20

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Solution

The fourth proportional to 33,140.05, 49,711.61 and 9,449.20 is: 14,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.05 : 49,711.61 = 9,449.20 : x
  2. Step 2: Convert to fraction form
    33,140.05/49,711.61 = 9,449.20/x
  3. Step 3: Cross multiply
    33,140.05x = 49,711.61 × 9,449.20
  4. Step 4: Simplify right side
    33,140.05x = 469,734,945.21
  5. Step 5: Solve for x
    x = 469,734,945.21/33,140.05
  6. Step 6: Final answer
    x = 14,174.24

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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.