Home / 49,227.99-67,939.74-30,120.51

Finding the Fourth Proportional to 49,227.99, 67,939.74 and 30,120.51

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Solution

The fourth proportional to 49,227.99, 67,939.74 and 30,120.51 is: 41,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,227.99 : 67,939.74 = 30,120.51 : x
  2. Step 2: Convert to fraction form
    49,227.99/67,939.74 = 30,120.51/x
  3. Step 3: Cross multiply
    49,227.99x = 67,939.74 × 30,120.51
  4. Step 4: Simplify right side
    49,227.99x = 2,046,379,618.07
  5. Step 5: Solve for x
    x = 2,046,379,618.07/49,227.99
  6. Step 6: Final answer
    x = 41,569.43

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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.