Home / 30,219.23-45,310.52-11,500.54

Finding the Fourth Proportional to 30,219.23, 45,310.52 and 11,500.54

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Solution

The fourth proportional to 30,219.23, 45,310.52 and 11,500.54 is: 17,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.23 : 45,310.52 = 11,500.54 : x
  2. Step 2: Convert to fraction form
    30,219.23/45,310.52 = 11,500.54/x
  3. Step 3: Cross multiply
    30,219.23x = 45,310.52 × 11,500.54
  4. Step 4: Simplify right side
    30,219.23x = 521,095,447.68
  5. Step 5: Solve for x
    x = 521,095,447.68/30,219.23
  6. Step 6: Final answer
    x = 17,243.84

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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.