Home / 31,083.38-42,895.08-16,936.24

Finding the Fourth Proportional to 31,083.38, 42,895.08 and 16,936.24

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Solution

The fourth proportional to 31,083.38, 42,895.08 and 16,936.24 is: 23,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,083.38 : 42,895.08 = 16,936.24 : x
  2. Step 2: Convert to fraction form
    31,083.38/42,895.08 = 16,936.24/x
  3. Step 3: Cross multiply
    31,083.38x = 42,895.08 × 16,936.24
  4. Step 4: Simplify right side
    31,083.38x = 726,481,369.70
  5. Step 5: Solve for x
    x = 726,481,369.70/31,083.38
  6. Step 6: Final answer
    x = 23,372.02

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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.