Home / 52,234.25-78,382.51-18,956.92

Finding the Fourth Proportional to 52,234.25, 78,382.51 and 18,956.92

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Solution

The fourth proportional to 52,234.25, 78,382.51 and 18,956.92 is: 28,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,234.25 : 78,382.51 = 18,956.92 : x
  2. Step 2: Convert to fraction form
    52,234.25/78,382.51 = 18,956.92/x
  3. Step 3: Cross multiply
    52,234.25x = 78,382.51 × 18,956.92
  4. Step 4: Simplify right side
    52,234.25x = 1,485,890,579.56
  5. Step 5: Solve for x
    x = 1,485,890,579.56/52,234.25
  6. Step 6: Final answer
    x = 28,446.67

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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.