Home / 33,080.45-45,658.23-20,344.58

Finding the Fourth Proportional to 33,080.45, 45,658.23 and 20,344.58

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Solution

The fourth proportional to 33,080.45, 45,658.23 and 20,344.58 is: 28,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.45 : 45,658.23 = 20,344.58 : x
  2. Step 2: Convert to fraction form
    33,080.45/45,658.23 = 20,344.58/x
  3. Step 3: Cross multiply
    33,080.45x = 45,658.23 × 20,344.58
  4. Step 4: Simplify right side
    33,080.45x = 928,897,750.79
  5. Step 5: Solve for x
    x = 928,897,750.79/33,080.45
  6. Step 6: Final answer
    x = 28,079.97

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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.