Home / 31,179.42-46,767.72-11,456.54

Finding the Fourth Proportional to 31,179.42, 46,767.72 and 11,456.54

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Solution

The fourth proportional to 31,179.42, 46,767.72 and 11,456.54 is: 17,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.42 : 46,767.72 = 11,456.54 : x
  2. Step 2: Convert to fraction form
    31,179.42/46,767.72 = 11,456.54/x
  3. Step 3: Cross multiply
    31,179.42x = 46,767.72 × 11,456.54
  4. Step 4: Simplify right side
    31,179.42x = 535,796,021.05
  5. Step 5: Solve for x
    x = 535,796,021.05/31,179.42
  6. Step 6: Final answer
    x = 17,184.28

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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.