Home / 40,199.14-60,307.26-12,121.30

Finding the Fourth Proportional to 40,199.14, 60,307.26 and 12,121.30

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Solution

The fourth proportional to 40,199.14, 60,307.26 and 12,121.30 is: 18,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.14 : 60,307.26 = 12,121.30 : x
  2. Step 2: Convert to fraction form
    40,199.14/60,307.26 = 12,121.30/x
  3. Step 3: Cross multiply
    40,199.14x = 60,307.26 × 12,121.30
  4. Step 4: Simplify right side
    40,199.14x = 731,002,390.64
  5. Step 5: Solve for x
    x = 731,002,390.64/40,199.14
  6. Step 6: Final answer
    x = 18,184.53

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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.