Home / 32,780.56-45,236.44-20,033.70

Finding the Fourth Proportional to 32,780.56, 45,236.44 and 20,033.70

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Solution

The fourth proportional to 32,780.56, 45,236.44 and 20,033.70 is: 27,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.56 : 45,236.44 = 20,033.70 : x
  2. Step 2: Convert to fraction form
    32,780.56/45,236.44 = 20,033.70/x
  3. Step 3: Cross multiply
    32,780.56x = 45,236.44 × 20,033.70
  4. Step 4: Simplify right side
    32,780.56x = 906,253,268.03
  5. Step 5: Solve for x
    x = 906,253,268.03/32,780.56
  6. Step 6: Final answer
    x = 27,646.06

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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.