Home / 54,436.32-75,121.56-30,562.44

Finding the Fourth Proportional to 54,436.32, 75,121.56 and 30,562.44

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Solution

The fourth proportional to 54,436.32, 75,121.56 and 30,562.44 is: 42,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.32 : 75,121.56 = 30,562.44 : x
  2. Step 2: Convert to fraction form
    54,436.32/75,121.56 = 30,562.44/x
  3. Step 3: Cross multiply
    54,436.32x = 75,121.56 × 30,562.44
  4. Step 4: Simplify right side
    54,436.32x = 2,295,898,170.21
  5. Step 5: Solve for x
    x = 2,295,898,170.21/54,436.32
  6. Step 6: Final answer
    x = 42,175.85

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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.