Home / 31,220.48-43,083.60-17,072.48

Finding the Fourth Proportional to 31,220.48, 43,083.60 and 17,072.48

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Solution

The fourth proportional to 31,220.48, 43,083.60 and 17,072.48 is: 23,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.48 : 43,083.60 = 17,072.48 : x
  2. Step 2: Convert to fraction form
    31,220.48/43,083.60 = 17,072.48/x
  3. Step 3: Cross multiply
    31,220.48x = 43,083.60 × 17,072.48
  4. Step 4: Simplify right side
    31,220.48x = 735,543,899.33
  5. Step 5: Solve for x
    x = 735,543,899.33/31,220.48
  6. Step 6: Final answer
    x = 23,559.66

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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.