Home / 39,855.56-59,742.33-17,679.38

Finding the Fourth Proportional to 39,855.56, 59,742.33 and 17,679.38

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Solution

The fourth proportional to 39,855.56, 59,742.33 and 17,679.38 is: 26,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.56 : 59,742.33 = 17,679.38 : x
  2. Step 2: Convert to fraction form
    39,855.56/59,742.33 = 17,679.38/x
  3. Step 3: Cross multiply
    39,855.56x = 59,742.33 × 17,679.38
  4. Step 4: Simplify right side
    39,855.56x = 1,056,206,989.15
  5. Step 5: Solve for x
    x = 1,056,206,989.15/39,855.56
  6. Step 6: Final answer
    x = 26,500.87

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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.