Home / 38,949.41-53,687.21-30,436.73

Finding the Fourth Proportional to 38,949.41, 53,687.21 and 30,436.73

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Solution

The fourth proportional to 38,949.41, 53,687.21 and 30,436.73 is: 41,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.41 : 53,687.21 = 30,436.73 : x
  2. Step 2: Convert to fraction form
    38,949.41/53,687.21 = 30,436.73/x
  3. Step 3: Cross multiply
    38,949.41x = 53,687.21 × 30,436.73
  4. Step 4: Simplify right side
    38,949.41x = 1,634,062,963.04
  5. Step 5: Solve for x
    x = 1,634,062,963.04/38,949.41
  6. Step 6: Final answer
    x = 41,953.48

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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.