Home / 33,132.61-45,720.84-19,704.88

Finding the Fourth Proportional to 33,132.61, 45,720.84 and 19,704.88

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Solution

The fourth proportional to 33,132.61, 45,720.84 and 19,704.88 is: 27,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.61 : 45,720.84 = 19,704.88 : x
  2. Step 2: Convert to fraction form
    33,132.61/45,720.84 = 19,704.88/x
  3. Step 3: Cross multiply
    33,132.61x = 45,720.84 × 19,704.88
  4. Step 4: Simplify right side
    33,132.61x = 900,923,665.70
  5. Step 5: Solve for x
    x = 900,923,665.70/33,132.61
  6. Step 6: Final answer
    x = 27,191.45

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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.