Home / 30,124.83-45,143.96-16,949.37

Finding the Fourth Proportional to 30,124.83, 45,143.96 and 16,949.37

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Solution

The fourth proportional to 30,124.83, 45,143.96 and 16,949.37 is: 25,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.83 : 45,143.96 = 16,949.37 : x
  2. Step 2: Convert to fraction form
    30,124.83/45,143.96 = 16,949.37/x
  3. Step 3: Cross multiply
    30,124.83x = 45,143.96 × 16,949.37
  4. Step 4: Simplify right side
    30,124.83x = 765,161,596.56
  5. Step 5: Solve for x
    x = 765,161,596.56/30,124.83
  6. Step 6: Final answer
    x = 25,399.70

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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.