Home / 31,125.14-46,687.69-11,405.24

Finding the Fourth Proportional to 31,125.14, 46,687.69 and 11,405.24

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Solution

The fourth proportional to 31,125.14, 46,687.69 and 11,405.24 is: 17,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.14 : 46,687.69 = 11,405.24 : x
  2. Step 2: Convert to fraction form
    31,125.14/46,687.69 = 11,405.24/x
  3. Step 3: Cross multiply
    31,125.14x = 46,687.69 × 11,405.24
  4. Step 4: Simplify right side
    31,125.14x = 532,484,397.70
  5. Step 5: Solve for x
    x = 532,484,397.70/31,125.14
  6. Step 6: Final answer
    x = 17,107.85

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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.