Home / 30,942.46-42,700.62-16,795.30

Finding the Fourth Proportional to 30,942.46, 42,700.62 and 16,795.30

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Solution

The fourth proportional to 30,942.46, 42,700.62 and 16,795.30 is: 23,177.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.46 : 42,700.62 = 16,795.30 : x
  2. Step 2: Convert to fraction form
    30,942.46/42,700.62 = 16,795.30/x
  3. Step 3: Cross multiply
    30,942.46x = 42,700.62 × 16,795.30
  4. Step 4: Simplify right side
    30,942.46x = 717,169,723.09
  5. Step 5: Solve for x
    x = 717,169,723.09/30,942.46
  6. Step 6: Final answer
    x = 23,177.53

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1.5x scale

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.