Home / 31,177.12-46,765.68-11,447.14

Finding the Fourth Proportional to 31,177.12, 46,765.68 and 11,447.14

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Solution

The fourth proportional to 31,177.12, 46,765.68 and 11,447.14 is: 17,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.12 : 46,765.68 = 11,447.14 : x
  2. Step 2: Convert to fraction form
    31,177.12/46,765.68 = 11,447.14/x
  3. Step 3: Cross multiply
    31,177.12x = 46,765.68 × 11,447.14
  4. Step 4: Simplify right side
    31,177.12x = 535,333,228.92
  5. Step 5: Solve for x
    x = 535,333,228.92/31,177.12
  6. Step 6: Final answer
    x = 17,170.71

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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.