Home / 31,172.21-43,017.92-17,744.33

Finding the Fourth Proportional to 31,172.21, 43,017.92 and 17,744.33

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Solution

The fourth proportional to 31,172.21, 43,017.92 and 17,744.33 is: 24,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.21 : 43,017.92 = 17,744.33 : x
  2. Step 2: Convert to fraction form
    31,172.21/43,017.92 = 17,744.33/x
  3. Step 3: Cross multiply
    31,172.21x = 43,017.92 × 17,744.33
  4. Step 4: Simplify right side
    31,172.21x = 763,323,864.58
  5. Step 5: Solve for x
    x = 763,323,864.58/31,172.21
  6. Step 6: Final answer
    x = 24,487.32

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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.