Home / 52,186.58-78,179.12-31,143.44

Finding the Fourth Proportional to 52,186.58, 78,179.12 and 31,143.44

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Solution

The fourth proportional to 52,186.58, 78,179.12 and 31,143.44 is: 46,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.58 : 78,179.12 = 31,143.44 : x
  2. Step 2: Convert to fraction form
    52,186.58/78,179.12 = 31,143.44/x
  3. Step 3: Cross multiply
    52,186.58x = 78,179.12 × 31,143.44
  4. Step 4: Simplify right side
    52,186.58x = 2,434,766,624.92
  5. Step 5: Solve for x
    x = 2,434,766,624.92/52,186.58
  6. Step 6: Final answer
    x = 46,655.03

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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.