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Finding the Fourth Proportional to 40,153, 60,230.94 and 12,450.28

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Solution

The fourth proportional to 40,153, 60,230.94 and 12,450.28 is: 18,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153 : 60,230.94 = 12,450.28 : x
  2. Step 2: Convert to fraction form
    40,153/60,230.94 = 12,450.28/x
  3. Step 3: Cross multiply
    40,153x = 60,230.94 × 12,450.28
  4. Step 4: Simplify right side
    40,153x = 749,892,067.66
  5. Step 5: Solve for x
    x = 749,892,067.66/40,153
  6. Step 6: Final answer
    x = 18,675.87

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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.