Home / 31,839.75-43,939.26-17,501.14

Finding the Fourth Proportional to 31,839.75, 43,939.26 and 17,501.14

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Solution

The fourth proportional to 31,839.75, 43,939.26 and 17,501.14 is: 24,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.75 : 43,939.26 = 17,501.14 : x
  2. Step 2: Convert to fraction form
    31,839.75/43,939.26 = 17,501.14/x
  3. Step 3: Cross multiply
    31,839.75x = 43,939.26 × 17,501.14
  4. Step 4: Simplify right side
    31,839.75x = 768,987,140.76
  5. Step 5: Solve for x
    x = 768,987,140.76/31,839.75
  6. Step 6: Final answer
    x = 24,151.80

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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.