Home / 30,212.60-41,691.94-16,784.72

Finding the Fourth Proportional to 30,212.60, 41,691.94 and 16,784.72

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Solution

The fourth proportional to 30,212.60, 41,691.94 and 16,784.72 is: 23,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.60 : 41,691.94 = 16,784.72 : x
  2. Step 2: Convert to fraction form
    30,212.60/41,691.94 = 16,784.72/x
  3. Step 3: Cross multiply
    30,212.60x = 41,691.94 × 16,784.72
  4. Step 4: Simplify right side
    30,212.60x = 699,787,539.16
  5. Step 5: Solve for x
    x = 699,787,539.16/30,212.60
  6. Step 6: Final answer
    x = 23,162.11

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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.