Home / 39,170.55-58,765.55-18,369.75

Finding the Fourth Proportional to 39,170.55, 58,765.55 and 18,369.75

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Solution

The fourth proportional to 39,170.55, 58,765.55 and 18,369.75 is: 27,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.55 : 58,765.55 = 18,369.75 : x
  2. Step 2: Convert to fraction form
    39,170.55/58,765.55 = 18,369.75/x
  3. Step 3: Cross multiply
    39,170.55x = 58,765.55 × 18,369.75
  4. Step 4: Simplify right side
    39,170.55x = 1,079,508,370.26
  5. Step 5: Solve for x
    x = 1,079,508,370.26/39,170.55
  6. Step 6: Final answer
    x = 27,559.18

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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.