Home / 51,757.94-71,420.99-29,091.71

Finding the Fourth Proportional to 51,757.94, 71,420.99 and 29,091.71

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Solution

The fourth proportional to 51,757.94, 71,420.99 and 29,091.71 is: 40,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.94 : 71,420.99 = 29,091.71 : x
  2. Step 2: Convert to fraction form
    51,757.94/71,420.99 = 29,091.71/x
  3. Step 3: Cross multiply
    51,757.94x = 71,420.99 × 29,091.71
  4. Step 4: Simplify right side
    51,757.94x = 2,077,758,226.43
  5. Step 5: Solve for x
    x = 2,077,758,226.43/51,757.94
  6. Step 6: Final answer
    x = 40,143.76

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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.