Home / 40,099.03-60,158.79-12,019

Finding the Fourth Proportional to 40,099.03, 60,158.79 and 12,019

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Solution

The fourth proportional to 40,099.03, 60,158.79 and 12,019 is: 18,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.03 : 60,158.79 = 12,019 : x
  2. Step 2: Convert to fraction form
    40,099.03/60,158.79 = 12,019/x
  3. Step 3: Cross multiply
    40,099.03x = 60,158.79 × 12,019
  4. Step 4: Simplify right side
    40,099.03x = 723,048,497.01
  5. Step 5: Solve for x
    x = 723,048,497.01/40,099.03
  6. Step 6: Final answer
    x = 18,031.57

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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.