Home / 31,696.20-43,740.74-17,549.06

Finding the Fourth Proportional to 31,696.20, 43,740.74 and 17,549.06

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Solution

The fourth proportional to 31,696.20, 43,740.74 and 17,549.06 is: 24,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.20 : 43,740.74 = 17,549.06 : x
  2. Step 2: Convert to fraction form
    31,696.20/43,740.74 = 17,549.06/x
  3. Step 3: Cross multiply
    31,696.20x = 43,740.74 × 17,549.06
  4. Step 4: Simplify right side
    31,696.20x = 767,608,695.87
  5. Step 5: Solve for x
    x = 767,608,695.87/31,696.20
  6. Step 6: Final answer
    x = 24,217.69

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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.