Home / 49,771.80-68,449.68-39,580.38

Finding the Fourth Proportional to 49,771.80, 68,449.68 and 39,580.38

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Solution

The fourth proportional to 49,771.80, 68,449.68 and 39,580.38 is: 54,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.80 : 68,449.68 = 39,580.38 : x
  2. Step 2: Convert to fraction form
    49,771.80/68,449.68 = 39,580.38/x
  3. Step 3: Cross multiply
    49,771.80x = 68,449.68 × 39,580.38
  4. Step 4: Simplify right side
    49,771.80x = 2,709,264,345.28
  5. Step 5: Solve for x
    x = 2,709,264,345.28/49,771.80
  6. Step 6: Final answer
    x = 54,433.72

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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.