Home / 54,640.52-75,405.30-33,431.72

Finding the Fourth Proportional to 54,640.52, 75,405.30 and 33,431.72

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Solution

The fourth proportional to 54,640.52, 75,405.30 and 33,431.72 is: 46,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,640.52 : 75,405.30 = 33,431.72 : x
  2. Step 2: Convert to fraction form
    54,640.52/75,405.30 = 33,431.72/x
  3. Step 3: Cross multiply
    54,640.52x = 75,405.30 × 33,431.72
  4. Step 4: Simplify right side
    54,640.52x = 2,520,928,876.12
  5. Step 5: Solve for x
    x = 2,520,928,876.12/54,640.52
  6. Step 6: Final answer
    x = 46,136.62

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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.