Home / 31,170.32-46,680.96-17,108.72

Finding the Fourth Proportional to 31,170.32, 46,680.96 and 17,108.72

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Solution

The fourth proportional to 31,170.32, 46,680.96 and 17,108.72 is: 25,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.32 : 46,680.96 = 17,108.72 : x
  2. Step 2: Convert to fraction form
    31,170.32/46,680.96 = 17,108.72/x
  3. Step 3: Cross multiply
    31,170.32x = 46,680.96 × 17,108.72
  4. Step 4: Simplify right side
    31,170.32x = 798,651,473.97
  5. Step 5: Solve for x
    x = 798,651,473.97/31,170.32
  6. Step 6: Final answer
    x = 25,622.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.