Home / 32,385.92-48,578.87-18,525.20

Finding the Fourth Proportional to 32,385.92, 48,578.87 and 18,525.20

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Solution

The fourth proportional to 32,385.92, 48,578.87 and 18,525.20 is: 27,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.92 : 48,578.87 = 18,525.20 : x
  2. Step 2: Convert to fraction form
    32,385.92/48,578.87 = 18,525.20/x
  3. Step 3: Cross multiply
    32,385.92x = 48,578.87 × 18,525.20
  4. Step 4: Simplify right side
    32,385.92x = 899,932,947.00
  5. Step 5: Solve for x
    x = 899,932,947.00/32,385.92
  6. Step 6: Final answer
    x = 27,787.79

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.