Home / 32,180.40-48,231.72-19,661.04

Finding the Fourth Proportional to 32,180.40, 48,231.72 and 19,661.04

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Solution

The fourth proportional to 32,180.40, 48,231.72 and 19,661.04 is: 29,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,180.40 : 48,231.72 = 19,661.04 : x
  2. Step 2: Convert to fraction form
    32,180.40/48,231.72 = 19,661.04/x
  3. Step 3: Cross multiply
    32,180.40x = 48,231.72 × 19,661.04
  4. Step 4: Simplify right side
    32,180.40x = 948,285,776.19
  5. Step 5: Solve for x
    x = 948,285,776.19/32,180.40
  6. Step 6: Final answer
    x = 29,467.81

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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.