Home / 31,721.89-43,772.84-17,573.35

Finding the Fourth Proportional to 31,721.89, 43,772.84 and 17,573.35

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Solution

The fourth proportional to 31,721.89, 43,772.84 and 17,573.35 is: 24,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.89 : 43,772.84 = 17,573.35 : x
  2. Step 2: Convert to fraction form
    31,721.89/43,772.84 = 17,573.35/x
  3. Step 3: Cross multiply
    31,721.89x = 43,772.84 × 17,573.35
  4. Step 4: Simplify right side
    31,721.89x = 769,235,349.95
  5. Step 5: Solve for x
    x = 769,235,349.95/31,721.89
  6. Step 6: Final answer
    x = 24,249.35

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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.