Home / 31,179.08-43,028.88-17,032.16

Finding the Fourth Proportional to 31,179.08, 43,028.88 and 17,032.16

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Solution

The fourth proportional to 31,179.08, 43,028.88 and 17,032.16 is: 23,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.08 : 43,028.88 = 17,032.16 : x
  2. Step 2: Convert to fraction form
    31,179.08/43,028.88 = 17,032.16/x
  3. Step 3: Cross multiply
    31,179.08x = 43,028.88 × 17,032.16
  4. Step 4: Simplify right side
    31,179.08x = 732,874,768.78
  5. Step 5: Solve for x
    x = 732,874,768.78/31,179.08
  6. Step 6: Final answer
    x = 23,505.34

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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.