Home / 30,330.50-45,504-17,192.12

Finding the Fourth Proportional to 30,330.50, 45,504 and 17,192.12

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Solution

The fourth proportional to 30,330.50, 45,504 and 17,192.12 is: 25,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.50 : 45,504 = 17,192.12 : x
  2. Step 2: Convert to fraction form
    30,330.50/45,504 = 17,192.12/x
  3. Step 3: Cross multiply
    30,330.50x = 45,504 × 17,192.12
  4. Step 4: Simplify right side
    30,330.50x = 782,310,000.96
  5. Step 5: Solve for x
    x = 782,310,000.96/30,330.50
  6. Step 6: Final answer
    x = 25,792.85

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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.