Home / 31,211.82-43,076.09-17,602.45

Finding the Fourth Proportional to 31,211.82, 43,076.09 and 17,602.45

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Solution

The fourth proportional to 31,211.82, 43,076.09 and 17,602.45 is: 24,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.82 : 43,076.09 = 17,602.45 : x
  2. Step 2: Convert to fraction form
    31,211.82/43,076.09 = 17,602.45/x
  3. Step 3: Cross multiply
    31,211.82x = 43,076.09 × 17,602.45
  4. Step 4: Simplify right side
    31,211.82x = 758,244,720.42
  5. Step 5: Solve for x
    x = 758,244,720.42/31,211.82
  6. Step 6: Final answer
    x = 24,293.51

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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.