Home / 30,078.36-45,101.96-16,034.61

Finding the Fourth Proportional to 30,078.36, 45,101.96 and 16,034.61

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Solution

The fourth proportional to 30,078.36, 45,101.96 and 16,034.61 is: 24,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.36 : 45,101.96 = 16,034.61 : x
  2. Step 2: Convert to fraction form
    30,078.36/45,101.96 = 16,034.61/x
  3. Step 3: Cross multiply
    30,078.36x = 45,101.96 × 16,034.61
  4. Step 4: Simplify right side
    30,078.36x = 723,192,433.42
  5. Step 5: Solve for x
    x = 723,192,433.42/30,078.36
  6. Step 6: Final answer
    x = 24,043.61

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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.