Home / 31,285.26-43,174.22-17,137.19

Finding the Fourth Proportional to 31,285.26, 43,174.22 and 17,137.19

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Solution

The fourth proportional to 31,285.26, 43,174.22 and 17,137.19 is: 23,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.26 : 43,174.22 = 17,137.19 : x
  2. Step 2: Convert to fraction form
    31,285.26/43,174.22 = 17,137.19/x
  3. Step 3: Cross multiply
    31,285.26x = 43,174.22 × 17,137.19
  4. Step 4: Simplify right side
    31,285.26x = 739,884,509.68
  5. Step 5: Solve for x
    x = 739,884,509.68/31,285.26
  6. Step 6: Final answer
    x = 23,649.62

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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.