Home / 38,005.20-57,007.80-33,631.20

Finding the Fourth Proportional to 38,005.20, 57,007.80 and 33,631.20

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Solution

The fourth proportional to 38,005.20, 57,007.80 and 33,631.20 is: 50,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.20 : 57,007.80 = 33,631.20 : x
  2. Step 2: Convert to fraction form
    38,005.20/57,007.80 = 33,631.20/x
  3. Step 3: Cross multiply
    38,005.20x = 57,007.80 × 33,631.20
  4. Step 4: Simplify right side
    38,005.20x = 1,917,240,723.36
  5. Step 5: Solve for x
    x = 1,917,240,723.36/38,005.20
  6. Step 6: Final answer
    x = 50,446.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.