Home / 39,178.97-54,103.88-27,274.86

Finding the Fourth Proportional to 39,178.97, 54,103.88 and 27,274.86

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Solution

The fourth proportional to 39,178.97, 54,103.88 and 27,274.86 is: 37,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.97 : 54,103.88 = 27,274.86 : x
  2. Step 2: Convert to fraction form
    39,178.97/54,103.88 = 27,274.86/x
  3. Step 3: Cross multiply
    39,178.97x = 54,103.88 × 27,274.86
  4. Step 4: Simplify right side
    39,178.97x = 1,475,675,820.64
  5. Step 5: Solve for x
    x = 1,475,675,820.64/39,178.97
  6. Step 6: Final answer
    x = 37,665.00

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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.