Home / 39,665.85-54,723.78-25,326.21

Finding the Fourth Proportional to 39,665.85, 54,723.78 and 25,326.21

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Solution

The fourth proportional to 39,665.85, 54,723.78 and 25,326.21 is: 34,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.85 : 54,723.78 = 25,326.21 : x
  2. Step 2: Convert to fraction form
    39,665.85/54,723.78 = 25,326.21/x
  3. Step 3: Cross multiply
    39,665.85x = 54,723.78 × 25,326.21
  4. Step 4: Simplify right side
    39,665.85x = 1,385,945,944.27
  5. Step 5: Solve for x
    x = 1,385,945,944.27/39,665.85
  6. Step 6: Final answer
    x = 34,940.53

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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.