Home / 31,696.74-43,742.18-17,357.18

Finding the Fourth Proportional to 31,696.74, 43,742.18 and 17,357.18

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Solution

The fourth proportional to 31,696.74, 43,742.18 and 17,357.18 is: 23,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.74 : 43,742.18 = 17,357.18 : x
  2. Step 2: Convert to fraction form
    31,696.74/43,742.18 = 17,357.18/x
  3. Step 3: Cross multiply
    31,696.74x = 43,742.18 × 17,357.18
  4. Step 4: Simplify right side
    31,696.74x = 759,240,891.85
  5. Step 5: Solve for x
    x = 759,240,891.85/31,696.74
  6. Step 6: Final answer
    x = 23,953.28

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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.