Home / 30,572.27-45,850.71-11,845.88

Finding the Fourth Proportional to 30,572.27, 45,850.71 and 11,845.88

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Solution

The fourth proportional to 30,572.27, 45,850.71 and 11,845.88 is: 17,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.27 : 45,850.71 = 11,845.88 : x
  2. Step 2: Convert to fraction form
    30,572.27/45,850.71 = 11,845.88/x
  3. Step 3: Cross multiply
    30,572.27x = 45,850.71 × 11,845.88
  4. Step 4: Simplify right side
    30,572.27x = 543,142,008.57
  5. Step 5: Solve for x
    x = 543,142,008.57/30,572.27
  6. Step 6: Final answer
    x = 17,765.84

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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.