Home / 33,281.12-45,942.72-20,714.24

Finding the Fourth Proportional to 33,281.12, 45,942.72 and 20,714.24

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Solution

The fourth proportional to 33,281.12, 45,942.72 and 20,714.24 is: 28,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.12 : 45,942.72 = 20,714.24 : x
  2. Step 2: Convert to fraction form
    33,281.12/45,942.72 = 20,714.24/x
  3. Step 3: Cross multiply
    33,281.12x = 45,942.72 × 20,714.24
  4. Step 4: Simplify right side
    33,281.12x = 951,668,528.33
  5. Step 5: Solve for x
    x = 951,668,528.33/33,281.12
  6. Step 6: Final answer
    x = 28,594.85

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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.