Home / 51,249.20-70,730.08-30,028.48

Finding the Fourth Proportional to 51,249.20, 70,730.08 and 30,028.48

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Solution

The fourth proportional to 51,249.20, 70,730.08 and 30,028.48 is: 41,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249.20 : 70,730.08 = 30,028.48 : x
  2. Step 2: Convert to fraction form
    51,249.20/70,730.08 = 30,028.48/x
  3. Step 3: Cross multiply
    51,249.20x = 70,730.08 × 30,028.48
  4. Step 4: Simplify right side
    51,249.20x = 2,123,916,540.78
  5. Step 5: Solve for x
    x = 2,123,916,540.78/51,249.20
  6. Step 6: Final answer
    x = 41,442.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.