Home / 31,219.96-43,083.66-17,072.80

Finding the Fourth Proportional to 31,219.96, 43,083.66 and 17,072.80

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Solution

The fourth proportional to 31,219.96, 43,083.66 and 17,072.80 is: 23,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.96 : 43,083.66 = 17,072.80 : x
  2. Step 2: Convert to fraction form
    31,219.96/43,083.66 = 17,072.80/x
  3. Step 3: Cross multiply
    31,219.96x = 43,083.66 × 17,072.80
  4. Step 4: Simplify right side
    31,219.96x = 735,558,710.45
  5. Step 5: Solve for x
    x = 735,558,710.45/31,219.96
  6. Step 6: Final answer
    x = 23,560.53

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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.