Home / 40,170.98-60,256.68-12,090.84

Finding the Fourth Proportional to 40,170.98, 60,256.68 and 12,090.84

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Solution

The fourth proportional to 40,170.98, 60,256.68 and 12,090.84 is: 18,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.98 : 60,256.68 = 12,090.84 : x
  2. Step 2: Convert to fraction form
    40,170.98/60,256.68 = 12,090.84/x
  3. Step 3: Cross multiply
    40,170.98x = 60,256.68 × 12,090.84
  4. Step 4: Simplify right side
    40,170.98x = 728,553,876.81
  5. Step 5: Solve for x
    x = 728,553,876.81/40,170.98
  6. Step 6: Final answer
    x = 18,136.33

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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.