Home / 31,297.13-46,912.89-14,643.13

Finding the Fourth Proportional to 31,297.13, 46,912.89 and 14,643.13

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Solution

The fourth proportional to 31,297.13, 46,912.89 and 14,643.13 is: 21,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.13 : 46,912.89 = 14,643.13 : x
  2. Step 2: Convert to fraction form
    31,297.13/46,912.89 = 14,643.13/x
  3. Step 3: Cross multiply
    31,297.13x = 46,912.89 × 14,643.13
  4. Step 4: Simplify right side
    31,297.13x = 686,951,546.95
  5. Step 5: Solve for x
    x = 686,951,546.95/31,297.13
  6. Step 6: Final answer
    x = 21,949.35

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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.