Home / 30,706.78-45,964.82-16,631.85

Finding the Fourth Proportional to 30,706.78, 45,964.82 and 16,631.85

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Solution

The fourth proportional to 30,706.78, 45,964.82 and 16,631.85 is: 24,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,706.78 : 45,964.82 = 16,631.85 : x
  2. Step 2: Convert to fraction form
    30,706.78/45,964.82 = 16,631.85/x
  3. Step 3: Cross multiply
    30,706.78x = 45,964.82 × 16,631.85
  4. Step 4: Simplify right side
    30,706.78x = 764,480,033.10
  5. Step 5: Solve for x
    x = 764,480,033.10/30,706.78
  6. Step 6: Final answer
    x = 24,896.13

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1.5x scale

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.