Home / 40,161.67-55,422.16-23,165.94

Finding the Fourth Proportional to 40,161.67, 55,422.16 and 23,165.94

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Solution

The fourth proportional to 40,161.67, 55,422.16 and 23,165.94 is: 31,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.67 : 55,422.16 = 23,165.94 : x
  2. Step 2: Convert to fraction form
    40,161.67/55,422.16 = 23,165.94/x
  3. Step 3: Cross multiply
    40,161.67x = 55,422.16 × 23,165.94
  4. Step 4: Simplify right side
    40,161.67x = 1,283,906,583.15
  5. Step 5: Solve for x
    x = 1,283,906,583.15/40,161.67
  6. Step 6: Final answer
    x = 31,968.46

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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.