Home / 31,694.06-43,738.11-17,547.21

Finding the Fourth Proportional to 31,694.06, 43,738.11 and 17,547.21

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Solution

The fourth proportional to 31,694.06, 43,738.11 and 17,547.21 is: 24,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.06 : 43,738.11 = 17,547.21 : x
  2. Step 2: Convert to fraction form
    31,694.06/43,738.11 = 17,547.21/x
  3. Step 3: Cross multiply
    31,694.06x = 43,738.11 × 17,547.21
  4. Step 4: Simplify right side
    31,694.06x = 767,481,801.17
  5. Step 5: Solve for x
    x = 767,481,801.17/31,694.06
  6. Step 6: Final answer
    x = 24,215.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.