Home / 40,170.90-60,256.04-12,090.83

Finding the Fourth Proportional to 40,170.90, 60,256.04 and 12,090.83

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Solution

The fourth proportional to 40,170.90, 60,256.04 and 12,090.83 is: 18,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.90 : 60,256.04 = 12,090.83 : x
  2. Step 2: Convert to fraction form
    40,170.90/60,256.04 = 12,090.83/x
  3. Step 3: Cross multiply
    40,170.90x = 60,256.04 × 12,090.83
  4. Step 4: Simplify right side
    40,170.90x = 728,545,626.30
  5. Step 5: Solve for x
    x = 728,545,626.30/40,170.90
  6. Step 6: Final answer
    x = 18,136.15

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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.