Home / 32,832.72-45,311.10-18,685.65

Finding the Fourth Proportional to 32,832.72, 45,311.10 and 18,685.65

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Solution

The fourth proportional to 32,832.72, 45,311.10 and 18,685.65 is: 25,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,832.72 : 45,311.10 = 18,685.65 : x
  2. Step 2: Convert to fraction form
    32,832.72/45,311.10 = 18,685.65/x
  3. Step 3: Cross multiply
    32,832.72x = 45,311.10 × 18,685.65
  4. Step 4: Simplify right side
    32,832.72x = 846,667,355.72
  5. Step 5: Solve for x
    x = 846,667,355.72/32,832.72
  6. Step 6: Final answer
    x = 25,787.30

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Similar ratio
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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.