Home / 31,623.75-43,640.44-17,476.63

Finding the Fourth Proportional to 31,623.75, 43,640.44 and 17,476.63

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Solution

The fourth proportional to 31,623.75, 43,640.44 and 17,476.63 is: 24,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.75 : 43,640.44 = 17,476.63 : x
  2. Step 2: Convert to fraction form
    31,623.75/43,640.44 = 17,476.63/x
  3. Step 3: Cross multiply
    31,623.75x = 43,640.44 × 17,476.63
  4. Step 4: Simplify right side
    31,623.75x = 762,687,670.12
  5. Step 5: Solve for x
    x = 762,687,670.12/31,623.75
  6. Step 6: Final answer
    x = 24,117.56

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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.