Home / 54,511.41-75,226.83-30,639.63

Finding the Fourth Proportional to 54,511.41, 75,226.83 and 30,639.63

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Solution

The fourth proportional to 54,511.41, 75,226.83 and 30,639.63 is: 42,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.41 : 75,226.83 = 30,639.63 : x
  2. Step 2: Convert to fraction form
    54,511.41/75,226.83 = 30,639.63/x
  3. Step 3: Cross multiply
    54,511.41x = 75,226.83 × 30,639.63
  4. Step 4: Simplify right side
    54,511.41x = 2,304,922,237.27
  5. Step 5: Solve for x
    x = 2,304,922,237.27/54,511.41
  6. Step 6: Final answer
    x = 42,283.30

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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.