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Finding the Fourth Proportional to 50,460.50, 69,635.50 and 28,104.50

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Solution

The fourth proportional to 50,460.50, 69,635.50 and 28,104.50 is: 38,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,460.50 : 69,635.50 = 28,104.50 : x
  2. Step 2: Convert to fraction form
    50,460.50/69,635.50 = 28,104.50/x
  3. Step 3: Cross multiply
    50,460.50x = 69,635.50 × 28,104.50
  4. Step 4: Simplify right side
    50,460.50x = 1,957,070,909.75
  5. Step 5: Solve for x
    x = 1,957,070,909.75/50,460.50
  6. Step 6: Final answer
    x = 38,784.22

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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.