Home / 49,511.72-68,326.34-29,378.56

Finding the Fourth Proportional to 49,511.72, 68,326.34 and 29,378.56

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Solution

The fourth proportional to 49,511.72, 68,326.34 and 29,378.56 is: 40,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.72 : 68,326.34 = 29,378.56 : x
  2. Step 2: Convert to fraction form
    49,511.72/68,326.34 = 29,378.56/x
  3. Step 3: Cross multiply
    49,511.72x = 68,326.34 × 29,378.56
  4. Step 4: Simplify right side
    49,511.72x = 2,007,329,479.27
  5. Step 5: Solve for x
    x = 2,007,329,479.27/49,511.72
  6. Step 6: Final answer
    x = 40,542.51

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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.