Home / 32,785.35-45,215.78-27,705.43

Finding the Fourth Proportional to 32,785.35, 45,215.78 and 27,705.43

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Solution

The fourth proportional to 32,785.35, 45,215.78 and 27,705.43 is: 38,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.35 : 45,215.78 = 27,705.43 : x
  2. Step 2: Convert to fraction form
    32,785.35/45,215.78 = 27,705.43/x
  3. Step 3: Cross multiply
    32,785.35x = 45,215.78 × 27,705.43
  4. Step 4: Simplify right side
    32,785.35x = 1,252,722,627.69
  5. Step 5: Solve for x
    x = 1,252,722,627.69/32,785.35
  6. Step 6: Final answer
    x = 38,209.83

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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.