Home / 30,942.61-42,700.52-16,795.44

Finding the Fourth Proportional to 30,942.61, 42,700.52 and 16,795.44

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Solution

The fourth proportional to 30,942.61, 42,700.52 and 16,795.44 is: 23,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.61 : 42,700.52 = 16,795.44 : x
  2. Step 2: Convert to fraction form
    30,942.61/42,700.52 = 16,795.44/x
  3. Step 3: Cross multiply
    30,942.61x = 42,700.52 × 16,795.44
  4. Step 4: Simplify right side
    30,942.61x = 717,174,063.62
  5. Step 5: Solve for x
    x = 717,174,063.62/30,942.61
  6. Step 6: Final answer
    x = 23,177.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.