Home / 31,234.59-43,103.97-17,087.49

Finding the Fourth Proportional to 31,234.59, 43,103.97 and 17,087.49

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Solution

The fourth proportional to 31,234.59, 43,103.97 and 17,087.49 is: 23,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.59 : 43,103.97 = 17,087.49 : x
  2. Step 2: Convert to fraction form
    31,234.59/43,103.97 = 17,087.49/x
  3. Step 3: Cross multiply
    31,234.59x = 43,103.97 × 17,087.49
  4. Step 4: Simplify right side
    31,234.59x = 736,538,656.34
  5. Step 5: Solve for x
    x = 736,538,656.34/31,234.59
  6. Step 6: Final answer
    x = 23,580.87

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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.