Home / 39,170.30-58,765.17-18,369.50

Finding the Fourth Proportional to 39,170.30, 58,765.17 and 18,369.50

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Solution

The fourth proportional to 39,170.30, 58,765.17 and 18,369.50 is: 27,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.30 : 58,765.17 = 18,369.50 : x
  2. Step 2: Convert to fraction form
    39,170.30/58,765.17 = 18,369.50/x
  3. Step 3: Cross multiply
    39,170.30x = 58,765.17 × 18,369.50
  4. Step 4: Simplify right side
    39,170.30x = 1,079,486,790.32
  5. Step 5: Solve for x
    x = 1,079,486,790.32/39,170.30
  6. Step 6: Final answer
    x = 27,558.81

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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.