Home / 39,653.72-54,739.52-27,763.68

Finding the Fourth Proportional to 39,653.72, 54,739.52 and 27,763.68

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Solution

The fourth proportional to 39,653.72, 54,739.52 and 27,763.68 is: 38,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.72 : 54,739.52 = 27,763.68 : x
  2. Step 2: Convert to fraction form
    39,653.72/54,739.52 = 27,763.68/x
  3. Step 3: Cross multiply
    39,653.72x = 54,739.52 × 27,763.68
  4. Step 4: Simplify right side
    39,653.72x = 1,519,770,516.63
  5. Step 5: Solve for x
    x = 1,519,770,516.63/39,653.72
  6. Step 6: Final answer
    x = 38,326.05

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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.