Home / 31,542.66-43,527.40-18,104.46

Finding the Fourth Proportional to 31,542.66, 43,527.40 and 18,104.46

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Solution

The fourth proportional to 31,542.66, 43,527.40 and 18,104.46 is: 24,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.66 : 43,527.40 = 18,104.46 : x
  2. Step 2: Convert to fraction form
    31,542.66/43,527.40 = 18,104.46/x
  3. Step 3: Cross multiply
    31,542.66x = 43,527.40 × 18,104.46
  4. Step 4: Simplify right side
    31,542.66x = 788,040,072.20
  5. Step 5: Solve for x
    x = 788,040,072.20/31,542.66
  6. Step 6: Final answer
    x = 24,983.31

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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.