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Finding the Fourth Proportional to 63,212.94, 94,820.22 and 18,841.14

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Solution

The fourth proportional to 63,212.94, 94,820.22 and 18,841.14 is: 28,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.94 : 94,820.22 = 18,841.14 : x
  2. Step 2: Convert to fraction form
    63,212.94/94,820.22 = 18,841.14/x
  3. Step 3: Cross multiply
    63,212.94x = 94,820.22 × 18,841.14
  4. Step 4: Simplify right side
    63,212.94x = 1,786,521,039.85
  5. Step 5: Solve for x
    x = 1,786,521,039.85/63,212.94
  6. Step 6: Final answer
    x = 28,261.95

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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.