Home / 31,126.46-46,689.66-11,406.56

Finding the Fourth Proportional to 31,126.46, 46,689.66 and 11,406.56

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Solution

The fourth proportional to 31,126.46, 46,689.66 and 11,406.56 is: 17,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.46 : 46,689.66 = 11,406.56 : x
  2. Step 2: Convert to fraction form
    31,126.46/46,689.66 = 11,406.56/x
  3. Step 3: Cross multiply
    31,126.46x = 46,689.66 × 11,406.56
  4. Step 4: Simplify right side
    31,126.46x = 532,568,174.72
  5. Step 5: Solve for x
    x = 532,568,174.72/31,126.46
  6. Step 6: Final answer
    x = 17,109.82

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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.