Home / 30,201.27-45,278.19-19,084.56

Finding the Fourth Proportional to 30,201.27, 45,278.19 and 19,084.56

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Solution

The fourth proportional to 30,201.27, 45,278.19 and 19,084.56 is: 28,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.27 : 45,278.19 = 19,084.56 : x
  2. Step 2: Convert to fraction form
    30,201.27/45,278.19 = 19,084.56/x
  3. Step 3: Cross multiply
    30,201.27x = 45,278.19 × 19,084.56
  4. Step 4: Simplify right side
    30,201.27x = 864,114,333.75
  5. Step 5: Solve for x
    x = 864,114,333.75/30,201.27
  6. Step 6: Final answer
    x = 28,611.85

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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.