Home / 31,581.75-43,582.13-17,241.09

Finding the Fourth Proportional to 31,581.75, 43,582.13 and 17,241.09

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Solution

The fourth proportional to 31,581.75, 43,582.13 and 17,241.09 is: 23,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.75 : 43,582.13 = 17,241.09 : x
  2. Step 2: Convert to fraction form
    31,581.75/43,582.13 = 17,241.09/x
  3. Step 3: Cross multiply
    31,581.75x = 43,582.13 × 17,241.09
  4. Step 4: Simplify right side
    31,581.75x = 751,403,339.52
  5. Step 5: Solve for x
    x = 751,403,339.52/31,581.75
  6. Step 6: Final answer
    x = 23,792.33

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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.