Home / 31,179.15-43,028.28-17,032.89

Finding the Fourth Proportional to 31,179.15, 43,028.28 and 17,032.89

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Solution

The fourth proportional to 31,179.15, 43,028.28 and 17,032.89 is: 23,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.15 : 43,028.28 = 17,032.89 : x
  2. Step 2: Convert to fraction form
    31,179.15/43,028.28 = 17,032.89/x
  3. Step 3: Cross multiply
    31,179.15x = 43,028.28 × 17,032.89
  4. Step 4: Simplify right side
    31,179.15x = 732,895,960.13
  5. Step 5: Solve for x
    x = 732,895,960.13/31,179.15
  6. Step 6: Final answer
    x = 23,505.96

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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.