Home / 32,849.38-45,346.80-20,928.88

Finding the Fourth Proportional to 32,849.38, 45,346.80 and 20,928.88

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Solution

The fourth proportional to 32,849.38, 45,346.80 and 20,928.88 is: 28,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,849.38 : 45,346.80 = 20,928.88 : x
  2. Step 2: Convert to fraction form
    32,849.38/45,346.80 = 20,928.88/x
  3. Step 3: Cross multiply
    32,849.38x = 45,346.80 × 20,928.88
  4. Step 4: Simplify right side
    32,849.38x = 949,057,735.58
  5. Step 5: Solve for x
    x = 949,057,735.58/32,849.38
  6. Step 6: Final answer
    x = 28,891.19

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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.