Home / 31,295.26-43,188-17,147.26

Finding the Fourth Proportional to 31,295.26, 43,188 and 17,147.26

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Solution

The fourth proportional to 31,295.26, 43,188 and 17,147.26 is: 23,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,295.26 : 43,188 = 17,147.26 : x
  2. Step 2: Convert to fraction form
    31,295.26/43,188 = 17,147.26/x
  3. Step 3: Cross multiply
    31,295.26x = 43,188 × 17,147.26
  4. Step 4: Simplify right side
    31,295.26x = 740,555,648.94
  5. Step 5: Solve for x
    x = 740,555,648.94/31,295.26
  6. Step 6: Final answer
    x = 23,663.51

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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.