Home / 30,200.52-45,286.56-11,212.00

Finding the Fourth Proportional to 30,200.52, 45,286.56 and 11,212.00

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Solution

The fourth proportional to 30,200.52, 45,286.56 and 11,212.00 is: 16,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.52 : 45,286.56 = 11,212.00 : x
  2. Step 2: Convert to fraction form
    30,200.52/45,286.56 = 11,212.00/x
  3. Step 3: Cross multiply
    30,200.52x = 45,286.56 × 11,212.00
  4. Step 4: Simplify right side
    30,200.52x = 507,752,628.23
  5. Step 5: Solve for x
    x = 507,752,628.23/30,200.52
  6. Step 6: Final answer
    x = 16,812.71

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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.