Home / 45,755.33-68,630.96-12,475.40

Finding the Fourth Proportional to 45,755.33, 68,630.96 and 12,475.40

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Solution

The fourth proportional to 45,755.33, 68,630.96 and 12,475.40 is: 18,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755.33 : 68,630.96 = 12,475.40 : x
  2. Step 2: Convert to fraction form
    45,755.33/68,630.96 = 12,475.40/x
  3. Step 3: Cross multiply
    45,755.33x = 68,630.96 × 12,475.40
  4. Step 4: Simplify right side
    45,755.33x = 856,198,366.42
  5. Step 5: Solve for x
    x = 856,198,366.42/45,755.33
  6. Step 6: Final answer
    x = 18,712.54

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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.