Home / 36,986.90-55,515.15-19,469.30

Finding the Fourth Proportional to 36,986.90, 55,515.15 and 19,469.30

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Solution

The fourth proportional to 36,986.90, 55,515.15 and 19,469.30 is: 29,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,986.90 : 55,515.15 = 19,469.30 : x
  2. Step 2: Convert to fraction form
    36,986.90/55,515.15 = 19,469.30/x
  3. Step 3: Cross multiply
    36,986.90x = 55,515.15 × 19,469.30
  4. Step 4: Simplify right side
    36,986.90x = 1,080,841,109.90
  5. Step 5: Solve for x
    x = 1,080,841,109.90/36,986.90
  6. Step 6: Final answer
    x = 29,222.27

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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.