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Finding the Fourth Proportional to 40,600.50, 60,910.52 and 12,898.50

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Solution

The fourth proportional to 40,600.50, 60,910.52 and 12,898.50 is: 19,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,600.50 : 60,910.52 = 12,898.50 : x
  2. Step 2: Convert to fraction form
    40,600.50/60,910.52 = 12,898.50/x
  3. Step 3: Cross multiply
    40,600.50x = 60,910.52 × 12,898.50
  4. Step 4: Simplify right side
    40,600.50x = 785,654,277.73
  5. Step 5: Solve for x
    x = 785,654,277.73/40,600.50
  6. Step 6: Final answer
    x = 19,350.85

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1.5x scale

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.