Home / 51,234.94-76,876.18-21,659.68

Finding the Fourth Proportional to 51,234.94, 76,876.18 and 21,659.68

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Solution

The fourth proportional to 51,234.94, 76,876.18 and 21,659.68 is: 32,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.94 : 76,876.18 = 21,659.68 : x
  2. Step 2: Convert to fraction form
    51,234.94/76,876.18 = 21,659.68/x
  3. Step 3: Cross multiply
    51,234.94x = 76,876.18 × 21,659.68
  4. Step 4: Simplify right side
    51,234.94x = 1,665,113,458.42
  5. Step 5: Solve for x
    x = 1,665,113,458.42/51,234.94
  6. Step 6: Final answer
    x = 32,499.57

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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.