Home / 39,169.77-54,077.86-36,928.09

Finding the Fourth Proportional to 39,169.77, 54,077.86 and 36,928.09

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Solution

The fourth proportional to 39,169.77, 54,077.86 and 36,928.09 is: 50,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.77 : 54,077.86 = 36,928.09 : x
  2. Step 2: Convert to fraction form
    39,169.77/54,077.86 = 36,928.09/x
  3. Step 3: Cross multiply
    39,169.77x = 54,077.86 × 36,928.09
  4. Step 4: Simplify right side
    39,169.77x = 1,996,992,081.09
  5. Step 5: Solve for x
    x = 1,996,992,081.09/39,169.77
  6. Step 6: Final answer
    x = 50,982.99

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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.