Home / 31,650.66-43,649.01-27,172.98

Finding the Fourth Proportional to 31,650.66, 43,649.01 and 27,172.98

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Solution

The fourth proportional to 31,650.66, 43,649.01 and 27,172.98 is: 37,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,650.66 : 43,649.01 = 27,172.98 : x
  2. Step 2: Convert to fraction form
    31,650.66/43,649.01 = 27,172.98/x
  3. Step 3: Cross multiply
    31,650.66x = 43,649.01 × 27,172.98
  4. Step 4: Simplify right side
    31,650.66x = 1,186,073,675.75
  5. Step 5: Solve for x
    x = 1,186,073,675.75/31,650.66
  6. Step 6: Final answer
    x = 37,473.90

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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.