Home / 45,401.55-68,102.66-15,819.33

Finding the Fourth Proportional to 45,401.55, 68,102.66 and 15,819.33

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Solution

The fourth proportional to 45,401.55, 68,102.66 and 15,819.33 is: 23,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,401.55 : 68,102.66 = 15,819.33 : x
  2. Step 2: Convert to fraction form
    45,401.55/68,102.66 = 15,819.33/x
  3. Step 3: Cross multiply
    45,401.55x = 68,102.66 × 15,819.33
  4. Step 4: Simplify right side
    45,401.55x = 1,077,338,452.42
  5. Step 5: Solve for x
    x = 1,077,338,452.42/45,401.55
  6. Step 6: Final answer
    x = 23,729.11

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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.