Home / 30,395.72-41,945.99-16,966.87

Finding the Fourth Proportional to 30,395.72, 41,945.99 and 16,966.87

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Solution

The fourth proportional to 30,395.72, 41,945.99 and 16,966.87 is: 23,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.72 : 41,945.99 = 16,966.87 : x
  2. Step 2: Convert to fraction form
    30,395.72/41,945.99 = 16,966.87/x
  3. Step 3: Cross multiply
    30,395.72x = 41,945.99 × 16,966.87
  4. Step 4: Simplify right side
    30,395.72x = 711,691,969.65
  5. Step 5: Solve for x
    x = 711,691,969.65/30,395.72
  6. Step 6: Final answer
    x = 23,414.21

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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.