Home / 31,351.16-43,265.14-17,205.32

Finding the Fourth Proportional to 31,351.16, 43,265.14 and 17,205.32

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Solution

The fourth proportional to 31,351.16, 43,265.14 and 17,205.32 is: 23,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.16 : 43,265.14 = 17,205.32 : x
  2. Step 2: Convert to fraction form
    31,351.16/43,265.14 = 17,205.32/x
  3. Step 3: Cross multiply
    31,351.16x = 43,265.14 × 17,205.32
  4. Step 4: Simplify right side
    31,351.16x = 744,390,578.54
  5. Step 5: Solve for x
    x = 744,390,578.54/31,351.16
  6. Step 6: Final answer
    x = 23,743.64

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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.