Home / 31,259.05-46,874.38-13,481.30

Finding the Fourth Proportional to 31,259.05, 46,874.38 and 13,481.30

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Solution

The fourth proportional to 31,259.05, 46,874.38 and 13,481.30 is: 20,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.05 : 46,874.38 = 13,481.30 : x
  2. Step 2: Convert to fraction form
    31,259.05/46,874.38 = 13,481.30/x
  3. Step 3: Cross multiply
    31,259.05x = 46,874.38 × 13,481.30
  4. Step 4: Simplify right side
    31,259.05x = 631,927,687.85
  5. Step 5: Solve for x
    x = 631,927,687.85/31,259.05
  6. Step 6: Final answer
    x = 20,215.83

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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.