Home / 31,718.48-43,770.90-17,571.44

Finding the Fourth Proportional to 31,718.48, 43,770.90 and 17,571.44

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Solution

The fourth proportional to 31,718.48, 43,770.90 and 17,571.44 is: 24,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.48 : 43,770.90 = 17,571.44 : x
  2. Step 2: Convert to fraction form
    31,718.48/43,770.90 = 17,571.44/x
  3. Step 3: Cross multiply
    31,718.48x = 43,770.90 × 17,571.44
  4. Step 4: Simplify right side
    31,718.48x = 769,117,743.10
  5. Step 5: Solve for x
    x = 769,117,743.10/31,718.48
  6. Step 6: Final answer
    x = 24,248.25

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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.