Home / 31,289.82-46,934.87-9,103.29

Finding the Fourth Proportional to 31,289.82, 46,934.87 and 9,103.29

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Solution

The fourth proportional to 31,289.82, 46,934.87 and 9,103.29 is: 13,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.82 : 46,934.87 = 9,103.29 : x
  2. Step 2: Convert to fraction form
    31,289.82/46,934.87 = 9,103.29/x
  3. Step 3: Cross multiply
    31,289.82x = 46,934.87 × 9,103.29
  4. Step 4: Simplify right side
    31,289.82x = 427,261,687.21
  5. Step 5: Solve for x
    x = 427,261,687.21/31,289.82
  6. Step 6: Final answer
    x = 13,654.97

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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.