Home / 31,138.29-46,716.75-14,508.18

Finding the Fourth Proportional to 31,138.29, 46,716.75 and 14,508.18

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Solution

The fourth proportional to 31,138.29, 46,716.75 and 14,508.18 is: 21,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138.29 : 46,716.75 = 14,508.18 : x
  2. Step 2: Convert to fraction form
    31,138.29/46,716.75 = 14,508.18/x
  3. Step 3: Cross multiply
    31,138.29x = 46,716.75 × 14,508.18
  4. Step 4: Simplify right side
    31,138.29x = 677,775,018.02
  5. Step 5: Solve for x
    x = 677,775,018.02/31,138.29
  6. Step 6: Final answer
    x = 21,766.61

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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.