Home / 54,834.70-75,671.34-30,960.82

Finding the Fourth Proportional to 54,834.70, 75,671.34 and 30,960.82

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Solution

The fourth proportional to 54,834.70, 75,671.34 and 30,960.82 is: 42,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,834.70 : 75,671.34 = 30,960.82 : x
  2. Step 2: Convert to fraction form
    54,834.70/75,671.34 = 30,960.82/x
  3. Step 3: Cross multiply
    54,834.70x = 75,671.34 × 30,960.82
  4. Step 4: Simplify right side
    54,834.70x = 2,342,846,736.90
  5. Step 5: Solve for x
    x = 2,342,846,736.90/54,834.70
  6. Step 6: Final answer
    x = 42,725.62

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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.