Home / 39,520.86-54,513.85-27,579.84

Finding the Fourth Proportional to 39,520.86, 54,513.85 and 27,579.84

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Solution

The fourth proportional to 39,520.86, 54,513.85 and 27,579.84 is: 38,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.86 : 54,513.85 = 27,579.84 : x
  2. Step 2: Convert to fraction form
    39,520.86/54,513.85 = 27,579.84/x
  3. Step 3: Cross multiply
    39,520.86x = 54,513.85 × 27,579.84
  4. Step 4: Simplify right side
    39,520.86x = 1,503,483,260.78
  5. Step 5: Solve for x
    x = 1,503,483,260.78/39,520.86
  6. Step 6: Final answer
    x = 38,042.78

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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.