Home / 45,771.30-63,143.42-27,628.92

Finding the Fourth Proportional to 45,771.30, 63,143.42 and 27,628.92

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Solution

The fourth proportional to 45,771.30, 63,143.42 and 27,628.92 is: 38,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,771.30 : 63,143.42 = 27,628.92 : x
  2. Step 2: Convert to fraction form
    45,771.30/63,143.42 = 27,628.92/x
  3. Step 3: Cross multiply
    45,771.30x = 63,143.42 × 27,628.92
  4. Step 4: Simplify right side
    45,771.30x = 1,744,584,361.56
  5. Step 5: Solve for x
    x = 1,744,584,361.56/45,771.30
  6. Step 6: Final answer
    x = 38,115.25

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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.