Home / 31,380.13-43,305.47-17,233.89

Finding the Fourth Proportional to 31,380.13, 43,305.47 and 17,233.89

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Solution

The fourth proportional to 31,380.13, 43,305.47 and 17,233.89 is: 23,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.13 : 43,305.47 = 17,233.89 : x
  2. Step 2: Convert to fraction form
    31,380.13/43,305.47 = 17,233.89/x
  3. Step 3: Cross multiply
    31,380.13x = 43,305.47 × 17,233.89
  4. Step 4: Simplify right side
    31,380.13x = 746,321,706.38
  5. Step 5: Solve for x
    x = 746,321,706.38/31,380.13
  6. Step 6: Final answer
    x = 23,783.26

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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.