Home / 33,309.20-49,906.20-28,125.20

Finding the Fourth Proportional to 33,309.20, 49,906.20 and 28,125.20

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Solution

The fourth proportional to 33,309.20, 49,906.20 and 28,125.20 is: 42,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.20 : 49,906.20 = 28,125.20 : x
  2. Step 2: Convert to fraction form
    33,309.20/49,906.20 = 28,125.20/x
  3. Step 3: Cross multiply
    33,309.20x = 49,906.20 × 28,125.20
  4. Step 4: Simplify right side
    33,309.20x = 1,403,621,856.24
  5. Step 5: Solve for x
    x = 1,403,621,856.24/33,309.20
  6. Step 6: Final answer
    x = 42,139.16

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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.