Home / 31,620.02-43,634.21-17,472.56

Finding the Fourth Proportional to 31,620.02, 43,634.21 and 17,472.56

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Solution

The fourth proportional to 31,620.02, 43,634.21 and 17,472.56 is: 24,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.02 : 43,634.21 = 17,472.56 : x
  2. Step 2: Convert to fraction form
    31,620.02/43,634.21 = 17,472.56/x
  3. Step 3: Cross multiply
    31,620.02x = 43,634.21 × 17,472.56
  4. Step 4: Simplify right side
    31,620.02x = 762,401,046.74
  5. Step 5: Solve for x
    x = 762,401,046.74/31,620.02
  6. Step 6: Final answer
    x = 24,111.34

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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.