Home / 52,178.94-78,234.39-34,355.68

Finding the Fourth Proportional to 52,178.94, 78,234.39 and 34,355.68

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Solution

The fourth proportional to 52,178.94, 78,234.39 and 34,355.68 is: 51,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.94 : 78,234.39 = 34,355.68 : x
  2. Step 2: Convert to fraction form
    52,178.94/78,234.39 = 34,355.68/x
  3. Step 3: Cross multiply
    52,178.94x = 78,234.39 × 34,355.68
  4. Step 4: Simplify right side
    52,178.94x = 2,687,795,472.25
  5. Step 5: Solve for x
    x = 2,687,795,472.25/52,178.94
  6. Step 6: Final answer
    x = 51,511.12

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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.