Home / 30,656.38-45,961.26-15,855.87

Finding the Fourth Proportional to 30,656.38, 45,961.26 and 15,855.87

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Solution

The fourth proportional to 30,656.38, 45,961.26 and 15,855.87 is: 23,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.38 : 45,961.26 = 15,855.87 : x
  2. Step 2: Convert to fraction form
    30,656.38/45,961.26 = 15,855.87/x
  3. Step 3: Cross multiply
    30,656.38x = 45,961.26 × 15,855.87
  4. Step 4: Simplify right side
    30,656.38x = 728,755,763.60
  5. Step 5: Solve for x
    x = 728,755,763.60/30,656.38
  6. Step 6: Final answer
    x = 23,771.75

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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.