Home / 31,234.26-43,103.26-17,087.20

Finding the Fourth Proportional to 31,234.26, 43,103.26 and 17,087.20

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Solution

The fourth proportional to 31,234.26, 43,103.26 and 17,087.20 is: 23,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.26 : 43,103.26 = 17,087.20 : x
  2. Step 2: Convert to fraction form
    31,234.26/43,103.26 = 17,087.20/x
  3. Step 3: Cross multiply
    31,234.26x = 43,103.26 × 17,087.20
  4. Step 4: Simplify right side
    31,234.26x = 736,514,024.27
  5. Step 5: Solve for x
    x = 736,514,024.27/31,234.26
  6. Step 6: Final answer
    x = 23,580.33

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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.