Home / 32,785.03-45,245.72-20,040.62

Finding the Fourth Proportional to 32,785.03, 45,245.72 and 20,040.62

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Solution

The fourth proportional to 32,785.03, 45,245.72 and 20,040.62 is: 27,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.03 : 45,245.72 = 20,040.62 : x
  2. Step 2: Convert to fraction form
    32,785.03/45,245.72 = 20,040.62/x
  3. Step 3: Cross multiply
    32,785.03x = 45,245.72 × 20,040.62
  4. Step 4: Simplify right side
    32,785.03x = 906,752,281.15
  5. Step 5: Solve for x
    x = 906,752,281.15/32,785.03
  6. Step 6: Final answer
    x = 27,657.51

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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.