Home / 49,149.87-67,807.58-30,254.19

Finding the Fourth Proportional to 49,149.87, 67,807.58 and 30,254.19

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Solution

The fourth proportional to 49,149.87, 67,807.58 and 30,254.19 is: 41,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149.87 : 67,807.58 = 30,254.19 : x
  2. Step 2: Convert to fraction form
    49,149.87/67,807.58 = 30,254.19/x
  3. Step 3: Cross multiply
    49,149.87x = 67,807.58 × 30,254.19
  4. Step 4: Simplify right side
    49,149.87x = 2,051,463,257.49
  5. Step 5: Solve for x
    x = 2,051,463,257.49/49,149.87
  6. Step 6: Final answer
    x = 41,738.94

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Double scale
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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.