Home / 45,743.56-63,128.58-27,835.72

Finding the Fourth Proportional to 45,743.56, 63,128.58 and 27,835.72

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Solution

The fourth proportional to 45,743.56, 63,128.58 and 27,835.72 is: 38,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,743.56 : 63,128.58 = 27,835.72 : x
  2. Step 2: Convert to fraction form
    45,743.56/63,128.58 = 27,835.72/x
  3. Step 3: Cross multiply
    45,743.56x = 63,128.58 × 27,835.72
  4. Step 4: Simplify right side
    45,743.56x = 1,757,229,476.88
  5. Step 5: Solve for x
    x = 1,757,229,476.88/45,743.56
  6. Step 6: Final answer
    x = 38,414.79

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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.