Home / 31,212.75-43,073.61-17,065.71

Finding the Fourth Proportional to 31,212.75, 43,073.61 and 17,065.71

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Solution

The fourth proportional to 31,212.75, 43,073.61 and 17,065.71 is: 23,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.75 : 43,073.61 = 17,065.71 : x
  2. Step 2: Convert to fraction form
    31,212.75/43,073.61 = 17,065.71/x
  3. Step 3: Cross multiply
    31,212.75x = 43,073.61 × 17,065.71
  4. Step 4: Simplify right side
    31,212.75x = 735,081,736.91
  5. Step 5: Solve for x
    x = 735,081,736.91/31,212.75
  6. Step 6: Final answer
    x = 23,550.69

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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.