Home / 39,481.20-59,231.08-12,827.10

Finding the Fourth Proportional to 39,481.20, 59,231.08 and 12,827.10

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Solution

The fourth proportional to 39,481.20, 59,231.08 and 12,827.10 is: 19,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.20 : 59,231.08 = 12,827.10 : x
  2. Step 2: Convert to fraction form
    39,481.20/59,231.08 = 12,827.10/x
  3. Step 3: Cross multiply
    39,481.20x = 59,231.08 × 12,827.10
  4. Step 4: Simplify right side
    39,481.20x = 759,762,986.27
  5. Step 5: Solve for x
    x = 759,762,986.27/39,481.20
  6. Step 6: Final answer
    x = 19,243.66

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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.