Home / 31,233.80-43,103.04-17,086.88

Finding the Fourth Proportional to 31,233.80, 43,103.04 and 17,086.88

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Solution

The fourth proportional to 31,233.80, 43,103.04 and 17,086.88 is: 23,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,233.80 : 43,103.04 = 17,086.88 : x
  2. Step 2: Convert to fraction form
    31,233.80/43,103.04 = 17,086.88/x
  3. Step 3: Cross multiply
    31,233.80x = 43,103.04 × 17,086.88
  4. Step 4: Simplify right side
    31,233.80x = 736,496,472.12
  5. Step 5: Solve for x
    x = 736,496,472.12/31,233.80
  6. Step 6: Final answer
    x = 23,580.11

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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.