Home / 31,149.30-46,738.53-13,616.85

Finding the Fourth Proportional to 31,149.30, 46,738.53 and 13,616.85

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Solution

The fourth proportional to 31,149.30, 46,738.53 and 13,616.85 is: 20,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,149.30 : 46,738.53 = 13,616.85 : x
  2. Step 2: Convert to fraction form
    31,149.30/46,738.53 = 13,616.85/x
  3. Step 3: Cross multiply
    31,149.30x = 46,738.53 × 13,616.85
  4. Step 4: Simplify right side
    31,149.30x = 636,431,552.23
  5. Step 5: Solve for x
    x = 636,431,552.23/31,149.30
  6. Step 6: Final answer
    x = 20,431.65

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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.