Home / 36,311.90-54,469.40-11,352.42

Finding the Fourth Proportional to 36,311.90, 54,469.40 and 11,352.42

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Solution

The fourth proportional to 36,311.90, 54,469.40 and 11,352.42 is: 17,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.90 : 54,469.40 = 11,352.42 : x
  2. Step 2: Convert to fraction form
    36,311.90/54,469.40 = 11,352.42/x
  3. Step 3: Cross multiply
    36,311.90x = 54,469.40 × 11,352.42
  4. Step 4: Simplify right side
    36,311.90x = 618,359,449.19
  5. Step 5: Solve for x
    x = 618,359,449.19/36,311.90
  6. Step 6: Final answer
    x = 17,029.11

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1.5x scale

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.