Home / 31,718.10-43,769.09-17,375.06

Finding the Fourth Proportional to 31,718.10, 43,769.09 and 17,375.06

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Solution

The fourth proportional to 31,718.10, 43,769.09 and 17,375.06 is: 23,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.10 : 43,769.09 = 17,375.06 : x
  2. Step 2: Convert to fraction form
    31,718.10/43,769.09 = 17,375.06/x
  3. Step 3: Cross multiply
    31,718.10x = 43,769.09 × 17,375.06
  4. Step 4: Simplify right side
    31,718.10x = 760,490,564.90
  5. Step 5: Solve for x
    x = 760,490,564.90/31,718.10
  6. Step 6: Final answer
    x = 23,976.55

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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.