Home / 32,290.30-48,429.78-8,911.54

Finding the Fourth Proportional to 32,290.30, 48,429.78 and 8,911.54

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Solution

The fourth proportional to 32,290.30, 48,429.78 and 8,911.54 is: 13,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,290.30 : 48,429.78 = 8,911.54 : x
  2. Step 2: Convert to fraction form
    32,290.30/48,429.78 = 8,911.54/x
  3. Step 3: Cross multiply
    32,290.30x = 48,429.78 × 8,911.54
  4. Step 4: Simplify right side
    32,290.30x = 431,583,921.66
  5. Step 5: Solve for x
    x = 431,583,921.66/32,290.30
  6. Step 6: Final answer
    x = 13,365.75

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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.