Home / 31,572.05-43,568.05-17,231.51

Finding the Fourth Proportional to 31,572.05, 43,568.05 and 17,231.51

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Solution

The fourth proportional to 31,572.05, 43,568.05 and 17,231.51 is: 23,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.05 : 43,568.05 = 17,231.51 : x
  2. Step 2: Convert to fraction form
    31,572.05/43,568.05 = 17,231.51/x
  3. Step 3: Cross multiply
    31,572.05x = 43,568.05 × 17,231.51
  4. Step 4: Simplify right side
    31,572.05x = 750,743,289.26
  5. Step 5: Solve for x
    x = 750,743,289.26/31,572.05
  6. Step 6: Final answer
    x = 23,778.73

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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.