Home / 48,134.62-66,425.43-27,991.90

Finding the Fourth Proportional to 48,134.62, 66,425.43 and 27,991.90

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Solution

The fourth proportional to 48,134.62, 66,425.43 and 27,991.90 is: 38,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134.62 : 66,425.43 = 27,991.90 : x
  2. Step 2: Convert to fraction form
    48,134.62/66,425.43 = 27,991.90/x
  3. Step 3: Cross multiply
    48,134.62x = 66,425.43 × 27,991.90
  4. Step 4: Simplify right side
    48,134.62x = 1,859,373,994.02
  5. Step 5: Solve for x
    x = 1,859,373,994.02/48,134.62
  6. Step 6: Final answer
    x = 38,628.62

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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.