Home / 31,228.16-43,093.97-17,080.70

Finding the Fourth Proportional to 31,228.16, 43,093.97 and 17,080.70

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Solution

The fourth proportional to 31,228.16, 43,093.97 and 17,080.70 is: 23,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.16 : 43,093.97 = 17,080.70 : x
  2. Step 2: Convert to fraction form
    31,228.16/43,093.97 = 17,080.70/x
  3. Step 3: Cross multiply
    31,228.16x = 43,093.97 × 17,080.70
  4. Step 4: Simplify right side
    31,228.16x = 736,074,872.51
  5. Step 5: Solve for x
    x = 736,074,872.51/31,228.16
  6. Step 6: Final answer
    x = 23,570.87

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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.