Home / 45,490.56-68,251.32-27,756.72

Finding the Fourth Proportional to 45,490.56, 68,251.32 and 27,756.72

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Solution

The fourth proportional to 45,490.56, 68,251.32 and 27,756.72 is: 41,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.56 : 68,251.32 = 27,756.72 : x
  2. Step 2: Convert to fraction form
    45,490.56/68,251.32 = 27,756.72/x
  3. Step 3: Cross multiply
    45,490.56x = 68,251.32 × 27,756.72
  4. Step 4: Simplify right side
    45,490.56x = 1,894,432,778.87
  5. Step 5: Solve for x
    x = 1,894,432,778.87/45,490.56
  6. Step 6: Final answer
    x = 41,644.53

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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.